IF THE RADIUS OF THE CIRCLE IS 9 CM, WHAT WOULD BE ITS DIAMETER?
a. 4.5 cm
b. 9 cm
c. 18 cm
d. 13.5 cm
A. 4.5 CM
If the radius of the circle is 9 cm, the diameter would be 4.5 cm. Why? First, let us note that the radius of a circle is half the distance of the diameter. So, of we divide 9 cm by 2, it is equal to 4.5 cm.
= 9 cm ÷ 2
= 4.5 cm
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