Area of Circles and Half Circles

Find the Circumference of the Semi-Circle.

• 22.98

• 21.98

• 10.99

• 43.96

Find the area of this Semicircle with a diameter of 18 cm

• 254.34 cm
• 127.17 cm
• 56.52 cm
• 28.26 cm

Find the Circumference of the Semi-Circle.

• 28.26

• 56.52

• 14.13

• 30.02

What is the perimeter of the semi-circle?

• 11 yd
• 17.27 yd
• 34.54 yd
• 28.27 yd

Find the Circumference of the semi-Circle.

• 18.23

• 75.36

• 37.68

• 18.84

Find the Circumference of the Quarter Circle with a radius of 16 cm.

• 26.12

• 100.48

• 25.12

• 50.24

Find the Circumference.

• 50.24

• 12.56

• 25.12

• 6.28

Find the Circumference.

• 10.21

• 20.41

• 81.64

• 40.82

Find the area of this semicircle with a diameter of 34 km.

• 453.73 km
• 226.87 km
• 106.76 km
• 907.46 km

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

• 100.48 cm²
• 80 cm²
• 200.96 cm²
• 25.12 cm²