Area of Circles, Semi-Circles, and Quarter-Circles

Front

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

Back

A = πr²

Front

What is the area of this circle?

Back

113.1

Front

Area of a circle?

Back

314.16

Front

Area of a circle with radius 3?

Back

28.27

Front

What is the area of this circle? Options: 201.06, 50.27, 123.12, 94.43

Back

50.27

Front

Formula for finding the area of a semi-circle

Back

A = π r² / 2

Front

What is this shape called?

Back

Semi circle

Front

What is the area of this semi circle? Options: 100.5 square cm, 25.1 square cm, 50.3 square cm, 12.6 square cm

Back

25.1 square cm

Front

Area of semicircle with diameter 8 cm

Back

25.12 cm²

Front

Find the area of the quarter circle. Round your answer to the nearest hundredth.

Back

78.50