Circles and Semi Circles

Find the area of the circle

• 56.52

• 254.34

• 1017.36

• 113.04

Find the area of the circle below.

• 100 cm

• 225 cm

• 9 cm

• 28.26 cm

what is the area of this semicircle ?
d = 8 cm 

• 100.48 cm²

• 80 cm²

• 200.96 cm²

• 25.12 cm²

What is the equation of the circle shown in the graph?

Mathematical Equivalence

ON

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

• πr²

• 2πr

• √π

Find the area of the composite figure.

• 100

• 400

• 137.5

• 175

What is the formula to find the area of a circle?

• A = πd

• A = 2πr

• A = πr²

• A = xyz

What is the area of this circle?

• 1256.64

• 31.41

• 314.16

• 123.12

what is the formula for finding the area of a semi-circle

• A = π r²

• C = π r²

• A = π r² / 2

• A = 2 π r

What is the area of this semi circle? 

• 100.5 square cm

• 25.1  square cm

• 50.3 square cm

• 12.6 square cm