DerryDelaney DerryDelaney

12-11-2016
Mathematics

contestada

A and B are two similar shapes.
A has a height of 12cm.
B has a height of 15cm.
The area of shape A is 200cm^2 (200cm squared)
Calculate the area of shape B.

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Gleeglee2 Gleeglee2

12-11-2016

Set it up as a proportion. 12 / 15 = 200 / x. Then cross multiply to get 3000 = 12x. Divide by 12 on both sides so x = 250.

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