Question

Height of isosceles triangle is 8cm.Its perimeter is 32. Find its area

Answer 1

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Height of isosceles triangle = 8cm
Base of isosceles triangle =?
Perimeter = 32 cm
Area?

Now,
First we find base

Perimeter of triangle = base × Height

➡️ 32 = b × 8
✔️ b = 32/ 8 = 4

Base of triangle = 4cm

Area of triangle = 1/2 × b ×h
=> 1/2 × 4 × 8

=> 16cm

Therefore, the area of triangle is 16cm.