Q: What is the areaq of a circle with a 10 cm diameter?

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the radius of a circle is half of its diameter.

10 cm

The diameter of a 10 cm wide circle is 10 cm. The diameter is just how wide it is. The radius is 1/2 X diameter. 1/2 X 10cm = 5 cm.

To get the radius just divide the diameter by 2. so, 10/2 = 5 cm

radius = diameter ÷ 2 ⇒ radius = 10 cm ÷ 2 = 5 cm

Related questions

radius 5 cm diameter 10 cm

10 cm; the diameter of a circle is twice its radius.

The area of a circle whose diameter is 10 cm is: 78.54 cm2

10 cm

the radius of a circle is half of its diameter.

diameter = radius × 2 → radius = diameter ÷ 2 = 10 cm ÷ 2 = 5 cm

10 cm (diameter is double the radius)

5 cm

Pi times the diameter of a circle gives its circumference. Since the radius is 5 cm, the diameter is 10 cm, and pi x 10 cm is the answer, or 31.4159 cm.

10 cm

The diameter of a 10 cm wide circle is 10 cm. The diameter is just how wide it is. The radius is 1/2 X diameter. 1/2 X 10cm = 5 cm.

Radius = Diameter/2 = 10 cm