Area Circumference Challenge

If a circular trampoline has a circumference of 15.7 meters, what is its area? (Use π = 3.14)

• 19.625 square meters

• 78.5 square meters

• 39.25 square meters

• 7.85 square meters

Tags

CCSS.7.G.B.4

A wheel's circumference is measured to be 6.28 meters. What is the area of the wheel? (Use π = 3.14)

• 1 square meter

• 3.14 square meters

• 0.5 square meters

• 2 square meters

Tags

CCSS.7.G.B.4

Find the area of the circle

• 43.96

• 153.86 

• 87.82

• 307.72

Tags

CCSS.7.G.B.4

If my circumference is 50.24ft, what is my radius?

• 8ft

• 16ft

• 25.12ft

• 50.24ft

Tags

CCSS.7.G.B.4

If my circumference is 163.28ft, what is my radius?

• 52ft

• 26ft

• 3.14ft

• 163.28ft

Tags

CCSS.7.G.B.4

A pan size pizza has a circumference of 37.68 inches. Find the area the pizza covers.

• 6 square inches

• 113.04 square inches

• 18.84 square inches

• 59.1576 square inches

Tags

CCSS.7.G.B.4

What is the formula for area of a circle?

•  π×r²

• = 2×π×r

Tags

CCSS.7.G.B.4

If my diameter is 90cm, what is my circumference?

• 282.6cm

• 180 cm

• 90cm

• 565.2cm

Tags

CCSS.7.G.B.4

Ms. Merine calculated that her hoop earring has a diameter of 3.5 centimeters. What is the area of her earring (round to the hundreth's place)?

• 9.25 cm²

• 9.62 cm²

• 9.15 cm²

• 9.99 cm²

Tags

CCSS.7.G.B.4

Randy’s circular garden has a radius of 1.5 feet. He wants to enclose the garden edging that costs $0.75 per foot. About how much will the edging cost? 

• $8.00

• $7.00

• $3.50

• $0.50

Tags

CCSS.7.G.B.4