Finding Areas of Irregular Figures and Circles Subtracting

Find the area of each shaded region. Round the answer to one decimal place. ( use π=3.14 )

• 14.6 cm²

• 28.3 cm²

• 12 cm

Tags

CCSS.HSG.C.B.5

• Diameter

• Radius

• Circumference

• :)

Tags

CCSS.7.G.B.4

Find the area of a circle with a diameter of 6 inches.

Tags

CCSS.7.G.B.4

When finding area of a circle, if diameter is given, we need to find radius. We can find radius by ___________ diameter by 2.

• Adding

• Subtracting

• Multiplying

• Dividing

Tags

CCSS.7.G.B.4

FInd the area of a circle that has a diameter of 4 cm.

Tags

CCSS.7.G.B.4

A circle has a radius of 9. What is it's area?

• 63.62

• 245.74

• 254.47

• 1017.88

Tags

CCSS.7.G.B.4

what is the formula for finding the area of a circle, A = ?

• 2r

• πr2

• 2πr

Tags

CCSS.7.G.B.4

Bob has a pool with a radius of 15 feet. what is it's area?

• 706.86

• 176.71

• 225

• 167.17

Tags

CCSS.7.G.B.4

Max has a pizza with a diameter of 100 inches. What is it's area?

• 31415.93

• 7853.98

• 785.398

• 3141.593

Tags

CCSS.7.G.B.4

What is the area of this circle in terms of pi?

Tags

CCSS.7.G.B.4