Area, Circumference Applications

Meg swam from one side of her circular pool to the other side going through the center.  If Meg swam 8 feet, what is the approximate circumference of Meg's pool?

• 16 feet

• 25.12 feet

• 251.2 feet

• 4 feet

Tags

CCSS.7.G.B.4

What is the diameter?

• 5 in

• 10 in

• 3.14 in

• 15.84 in

Tags

CCSS.7.G.B.4

Rocky has a choice between two pizzas: a circular pizza with a 10-inch diameter and a square pizza with a 9-inch side. Which statement below is true?

• The pizzas have the same area.

• The area of the square pizza is larger.

• The area of the circular pizza is larger.

• The area of the circular pizza is 100 square inches.

Tags

CCSS.7.G.B.4

If the radius of a circle is 5 inches, what is the circumference?

• 31.4 inches

• 25 inches

• 15.7 inches

• 10 inches

Tags

CCSS.7.G.B.4

If a circle has a diameter of 10 inches, what is its circumference?

• 25 inches

• 15.7 inches

• 20 inches

• 31.4 inches

Tags

CCSS.7.G.B.4

What does the term 'circumference' refer to in geometry?

• The area inside a circle

• The diameter of a circle

• The distance around the edge of a circle

• The height of a circle

Tags

CCSS.7.G.B.4

If you know the circumference of a round cake is 31.4 inches, what is the radius?

• 20 inches

• 15 inches

• 10 inches

• 5 inches

Tags

CCSS.7.G.B.4

What is the radius if the circumference of a circle is approximately 18.84 inches?

• 12 inches

• 6 inches

• 3 inches

• 9 inches

Tags

CCSS.7.G.B.4

Why is understanding circumference important in real life?

• It helps in measuring the area of squares.

• It only applies to theoretical math.

• It is used in cooking and construction.

• It has no practical applications.

How does knowing the circumference help when making a round cake?

• It is not useful.

• It calculates the area of the cake.

• It determines how much frosting is needed.

• It helps in measuring the height.