muhdilham1805oxv6vz muhdilham1805oxv6vz

14-10-2018
Mathematics

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what is the diameter of a circle which has an area of 531 mm²

need solution pleasee

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1subasinghet 1subasinghet

14-10-2018

A = pi r^2
531 = 3.14 ( r^2)
169.12 = r ^2

Take the square root

13 = r

Diameter = 2r
D = 2(13)
D = 26 mm

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