7.1-7.4 Quiz Review

What is a composite figure??

• A composite figure is a figure that is composed of a variety of 3-dimensional shapes.

• A composite figure is a figure that is composed of a variety of 2-dimensional shapes.

Answer explanation

A composite figure consists of various 2-dimensional shapes, such as triangles, rectangles, and circles, combined to form a new shape. The first option incorrectly refers to 3-dimensional shapes, making the second option the correct choice.

Tags

CCSS.1.G.A.2

What is the formula to find the area of a rectangle?

• A = b x h

• A = b + h

• A = 2b + 2h

• A = (1/2)bh

Answer explanation

The area of a rectangle is calculated using the formula A = b x h, where b is the base (length) and h is the height. This formula correctly represents the multiplication of the two dimensions to find the total area.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

How do you find the area of a triangle?

• A = b x h

• A = (1/2)bh

• A = 2b + 2h

Answer explanation

The area of a triangle is calculated using the formula A = (1/2)bh, where b is the base and h is the height. This formula accounts for the triangular shape, making it the correct choice.

Tags

CCSS.6.G.A.1

What is the area of this composite shape?

• 14 in²

• 68 in²

• 36 in²

• 24 in²

Answer explanation

To find the area of the composite shape, calculate the areas of the individual components and sum them. The total area is 36 in², which matches the correct answer choice.

Tags

CCSS.6.G.A.1

What is the area of the shaded region?

• 20 sq cm

• 4 sq cm

• 30 sq cm

• 24 sq cm

Answer explanation

To find the area of the shaded region, calculate the total area and subtract the unshaded part. The correct area is 24 sq cm, which matches the answer choice.

Tags

CCSS.3.MD.C.7D

• 54 cm2
• 45 cm2
• 63 cm2
• 36 cm2

Tags

CCSS.3.MD.C.7D

What is the area of this shape?

• 45 square units

• 46 square units

• 36 square units

• 9 square units

Answer explanation

To find the area, we can use the formula for the shape. After calculating, we find the area is 45 square units, which matches the correct answer choice.

Tags

CCSS.3.MD.C.7D

What is the area of the shaded region?

• 14 m²

• 120 m²

• 106 m²

• 134 m²

Answer explanation

To find the area of the shaded region, subtract the area of the unshaded part from the total area. After calculations, the area of the shaded region is determined to be 106 m², making it the correct choice.

Tags

CCSS.3.MD.C.7D

What is the area of the shaded region?

• 4 cm²

• 16 cm²

• 8 cm²

• 12 cm²

Answer explanation

To find the area of the shaded region, we can subtract the area of the unshaded part from the total area. The calculations show that the area of the shaded region is 12 cm², making it the correct choice.

Find the area of the figure

• 43 sq inches

• 102 sq inches

• 37 inches

• 90 sq inches

Answer explanation

To find the area, we can use the formula for the specific shape involved. After calculations, the area is determined to be 102 sq inches, making this the correct choice among the options provided.

Tags

CCSS.6.G.A.1