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Maths-

General

Easy

Question

The base of a right angled triangle is 5cm and hypotenuse is 13cm. Find its area.

hint Hint:

Use Pythagoras theorem

The correct answer is: 30 cm2

It is given that base, B = 5 cm and hypotenuse, H = 13 cm
Using Pythagoras theorem
H² = B² + P²
13² = 5² + P²
169 – 25 = P² ⇒ P² = 144
⇒ P = 12 cm
Area of triangle = $1 half cross times b cross times straight h equals 1 half cross times 5 cross times 12$
= 30 cm²

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