Find the circumference of a circle with radius 4cm.

8π cm or approximately 25.13 cm

16π cm or approximately 50.27 cm

6π cm or approximately 18.85 cm

12π cm or approximately 37.70 cm

Shapes, Perimeter, and Area

Authored by Anthony Clark

Mathematics

7th Grade

CCSS covered

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculate the area of a circle with radius 5cm.

25π sq cm or approximately 78.54 sq cm

20π sq cm or approximately 62.83 sq cm

15π sq cm or approximately 47.12 sq cm

10π sq cm or approximately 31.42 sq cm

Answer explanation

The correct choice is 25π sq cm or approximately 78.54 sq cm. The formula for the area of a circle is A = πr^2, where r is the radius. Substituting r = 5cm, we get A = π(5)^2 = 25π sq cm or approximately 78.54 sq cm.

Tags

CCSS.7.G.B.4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculate the area of a square with side length 10cm.

100 sq cm

80 sq cm

120 sq cm

150 sq cm

Answer explanation

To calculate the area of a square, you square the length of one side. In this case, 10cm * 10cm = 100 sq cm. Therefore, the correct answer is 100 sq cm.

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculate the perimeter of a rectangle with sides 4cm and 9cm.

26cm

30cm

22cm

36cm

Answer explanation

To calculate the perimeter of a rectangle, we use the formula 2(length + width). Given sides are 4cm and 9cm, so the perimeter = 2(4+9) = 2*13 = 26cm.

Tags

CCSS.4.MD.A.3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculate the area of a rectangle with length 6cm and width 9cm.

54 sq cm

45 sq cm

36 sq cm

27 sq cm

Answer explanation

To calculate the area of a rectangle, multiply the length by the width. In this case, 6cm x 9cm = 54 sq cm. Therefore, the correct answer is 54 sq cm.

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many edges does a cube have?

Answer explanation

A cube has 12 edges. Each face of a cube has 4 edges, and there are 6 faces in total, so the total number of edges is 4 * 6 = 12.

Tags

CCSS.6.G.A.4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculate the perimeter of a rectangle with sides 5cm and 8cm.

40cm

26cm

15cm

30cm

Answer explanation

To calculate the perimeter of a rectangle, add all sides. Perimeter = 2(length + width) = 2(5cm + 8cm) = 2*(13cm) = 26cm. Therefore, the correct answer is 26cm.

Tags

CCSS.4.MD.A.3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the formula to calculate the area of a circle?

A = r^2

A = 2πr

A = 0.5πr^2

A = πr^2

Answer explanation

The correct formula to calculate the area of a circle is A = πr^2, where A represents the area and r is the radius of the circle.

Tags

CCSS.7.G.B.4

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Shapes, Perimeter, and Area

Calculate the area of a circle with radius 5cm.

The correct choice is 25π sq cm or approximately 78.54 sq cm. The formula for the area of a circle is A = πr^2, where r is the radius. Substituting r = 5cm, we get A = π(5)^2 = 25π sq cm or approximately 78.54 sq cm.

Calculate the area of a square with side length 10cm.

To calculate the area of a square, you square the length of one side. In this case, 10cm * 10cm = 100 sq cm. Therefore, the correct answer is 100 sq cm.

Calculate the perimeter of a rectangle with sides 4cm and 9cm.

To calculate the perimeter of a rectangle, we use the formula 2(length + width). Given sides are 4cm and 9cm, so the perimeter = 2(4+9) = 2*13 = 26cm.

Calculate the area of a rectangle with length 6cm and width 9cm.

To calculate the area of a rectangle, multiply the length by the width. In this case, 6cm x 9cm = 54 sq cm. Therefore, the correct answer is 54 sq cm.

How many edges does a cube have?

A cube has 12 edges. Each face of a cube has 4 edges, and there are 6 faces in total, so the total number of edges is 4 * 6 = 12.

Calculate the perimeter of a rectangle with sides 5cm and 8cm.

To calculate the perimeter of a rectangle, add all sides. Perimeter = 2(length + width) = 2(5cm + 8cm) = 2*(13cm) = 26cm. Therefore, the correct answer is 26cm.

What is the formula to calculate the area of a circle?

The correct formula to calculate the area of a circle is A = πr^2, where A represents the area and r is the radius of the circle.

How many faces does a rectangular prism have?

A rectangular prism has 6 faces: 1 top face, 1 bottom face, and 4 side faces. Therefore, the correct answer is 6.

Find the circumference of a circle with radius 4cm.

The circumference of a circle is calculated using the formula 2πr. Substituting r=4cm, we get 2π*4 = 8π cm or approximately 25.13 cm.

Which shape has all sides and angles equal?

A square has all sides and angles equal, making it the shape with these properties.

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Shapes, Perimeter, and Area

Calculate the area of a circle with radius 5cm.

The correct choice is 25π sq cm or approximately 78.54 sq cm. The formula for the area of a circle is A = πr^2, where r is the radius. Substituting r = 5cm, we get A = π(5)^2 = 25π sq cm or approximately 78.54 sq cm.

Calculate the area of a square with side length 10cm.

To calculate the area of a square, you square the length of one side. In this case, 10cm * 10cm = 100 sq cm. Therefore, the correct answer is 100 sq cm.

Calculate the perimeter of a rectangle with sides 4cm and 9cm.

To calculate the perimeter of a rectangle, we use the formula 2*(length + width). Given sides are 4cm and 9cm, so the perimeter = 2*(4+9) = 2*13 = 26cm.

Calculate the area of a rectangle with length 6cm and width 9cm.

To calculate the area of a rectangle, multiply the length by the width. In this case, 6cm x 9cm = 54 sq cm. Therefore, the correct answer is 54 sq cm.

How many edges does a cube have?

A cube has 12 edges. Each face of a cube has 4 edges, and there are 6 faces in total, so the total number of edges is 4 * 6 = 12.

Calculate the perimeter of a rectangle with sides 5cm and 8cm.

To calculate the perimeter of a rectangle, add all sides. Perimeter = 2*(length + width) = 2*(5cm + 8cm) = 2*(13cm) = 26cm. Therefore, the correct answer is 26cm.

What is the formula to calculate the area of a circle?

The correct formula to calculate the area of a circle is A = πr^2, where A represents the area and r is the radius of the circle.

How many faces does a rectangular prism have?

A rectangular prism has 6 faces: 1 top face, 1 bottom face, and 4 side faces. Therefore, the correct answer is 6.

Find the circumference of a circle with radius 4cm.

The circumference of a circle is calculated using the formula 2πr. Substituting r=4cm, we get 2π*4 = 8π cm or approximately 25.13 cm.

Which shape has all sides and angles equal?

A square has all sides and angles equal, making it the shape with these properties.

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

To calculate the perimeter of a rectangle, we use the formula 2(length + width). Given sides are 4cm and 9cm, so the perimeter = 2(4+9) = 2*13 = 26cm.

To calculate the perimeter of a rectangle, add all sides. Perimeter = 2(length + width) = 2(5cm + 8cm) = 2*(13cm) = 26cm. Therefore, the correct answer is 26cm.