racheldemetreon racheldemetreon

05-12-2017
Mathematics

contestada

When the lengths of the sides of a square are increased by 5 cm, the area is increased by 85 square cm. What was the size of the original square?

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zainbow zainbow

11-12-2017

First we will find the square root of the square with the added sides to find the side + 5.
√85 = 9.219
∴ Original side = 9.219 - 5 = 4.219 cm

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