#1 Circles: Area

Find the area of the circle below.

• 100 cm

• 225 cm

• 28.26 cm

What is the area of this circle?

• 201.06

• 50.24

• 123.12

What is the area of this circle?

• 82.13

• 78.5

• 170.12

What is the area of this circle?

• 62.59 cm²

• 113.1 cm²

• 28.26 cm²

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

what is the area of this semicircle ?

d = 8 cm Hint: It's not a full circle!!!

• 50.24 cm²

• 80 cm²

• 25.12 cm²

What is the area of this circle?

• 163.2

• 15.3

• 113.1

What is the area of this circle?

• 6082.12

• 1520.53

• 1893.14

What is the area of a circle with the diameter of 10cm ?

• 66cm

• 78.5cm

• 10m