Area of Circles

What is the formula for area of a circle?

• A = pi x D
• A = 2pi x r
• A = pi x r2
• A = pi x D2

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 12
• 6
• 24

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 163.2
• 15.3
• 124.2
• 113.1

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 62.59 cm²
• 113.1 cm²
• 19.81 cm²
• 28.26 cm²

Tags

CCSS.7.G.B.4

What is/are the formula(s) to find the area of a circle?

• πr²
• 2πr
• √π

Tags

CCSS.7.G.B.4

What does area mean?

• the distance around a shape
• half the distance around a shape
• the amount of space outside a shape
• the amount of space inside a shape

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

Shring's dining room table is round and has a radius of 4.5 feet. What is the tabletop's area?

• 63.585 ft²
• 68.345 ft²
• 64.585 ft²
• 61.345 ft²

Tags

CCSS.7.G.B.4

Find the area of the circle, round to nearest tenth:
r = 12 in

• 452.2 in²
• 45.2 in²
• 113.0 in
• 450 in²

Tags

CCSS.7.G.B.4

• 43.96

• 153.86

• 87.82

• 307.72

Tags

CCSS.7.G.B.4

Tags

CCSS.7.G.B.4