Semi Circle

This is a picture of ___________.

• Minor Arc

• Major Arc

• Semi-Circle

• Central Angle

What is the perimeter of the semi-circle?

• 11 yd

• 17.27 yd

• 34.54 yd

• 28.27 yd

What is the perimeter of this semi circle? (Use 3.14 = π and round to the nearest tenths place)

• 18.5

• 11.3

• 20.3

• 22.6

What is the perimeter of the semi-circle?

• 11 yd

• 17.27 yd

• 34.54 yd

• 28.27 yd

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 perimeter of the semi-circle? Use 3.14 for pi.

• 49.7 cm

• 30.8 cm

• 37.7 cm

• 26.8 cm

Find the area of this semi-circle (1 s.f.)

Calculate the perimeter of this semi-circle (2d.p.)

• 59.69 cm

• 29.85 cm

• 567.06 cm

• 48.85 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 area of this semi circle? 

• 100.5 square cm

• 25.1  square cm

• 50.3 square cm

• 12.6 square cm