1. Sum of the,perimeter of Square2 and Square1, is 80 cm. If the side of Square2, is 3 times that of Square1, what is the area of the Square2 ? (in cm )
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By: anil on 05 May 2019 01.21 am
Let the side of Square1 = a cm => Side of Square2 = 3a cm Sum of perimeter of both squares => $$(4 imes a) + (4 imes 3a) = 80$$ => $$4a + 12a = 80$$ => $$a = frac{80}{16} = 5$$ => Side of Square2 = 5 * 3 = 15 cm $$ herefore$$ Area of Square2 = $$(15)^2$$ = $$225 cm^2$$
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