Question

In a triangle the height is doubled the base and the area is400 square centimeters.find the length of the base and height?
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Answer 1

Let, base is = x cm

height= 2x cm

The area is =

$\frac{1}{2} \times h \times b \\ = \frac{1}{2} \times x \times 2x \\ = {x}^{2}$

A.T.Q,

${x}^{2} = 400 \\ or \: x = 20$

The base = 20 cm

The height =(2×20)= 40 cm

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