Question

Find the area of an isosceles triangle having the base x cm and one side y cm.

Answer 1

Answer:

$area \: of \: an \: isosceles \: triangle = \frac{1}{2} \times b \times h$

$b = x$

$h = y$

$= \frac{1}{2} \times x \times y \\ multiply \: by \: 2$

$= 1 \times 2x \times 2y$

$= 2(x + y)$

$area \: of \: isosceles \: triangle = 2(x + y)$

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