Convert 21/4 into a mixed number
2 answers:
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The radius of the base is 10 cm.
Solution:
Height of a cone = 15 cm
Volume of the cone = 1570 cm³
To find the radius of the base of the cone:
Volume of the cone =
Divide by 15.7 on both side of the equation, we get
Taking square root on both sides of the equation, we get
⇒ r = 10
Hence the radius of the base is 10 cm.