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It is half of a circle; the circle's radius (and that of the semicircle) is 10 cm.

Q: What is the semi circle radius 10cm?

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The circumference of a circle with radius of 10cm is: 62.83 cm

The circle's area is 314.159 cm2

A circle of radius 10cm has a circumference of 2πr cm = 2π x 10 = 62.83 cmIf the diameter equalled 10cm then the radius equalled 5 cm and the circumference of this circle = 2π x 5 = 31.42 cm

It's half of the area of the whole circle...

Total SA = 1,256.6 cm2

Related questions

The circumference of a circle with radius of 10cm is: 62.83 cm

The circle's area is 314.159 cm2

20 cm

6.28 cm

20 cm

10cm

Radius = diameter/2 = 5 cm

It is the same as the radius of the whole circle.

A circle with a radius of 10 cm has a circumference of 62.83 cm.

314.2 square cm

39.27 square cm

10cm or 0.05meters