a) If two equal sides of right angled triangle are 9 cm each then square of the hypotenuse is?
162cm () 261cm (ii) 160cm (iv) 260cm ncert 7class
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Answer:
162
Step-by-step explanation:
in the given triangle two sides lengths are equal i.e; 9 cm
by Pythagoras theorem,
(length of hypotenuse) ² = ( sum of the squares of other two sides of the triangle )
=> (length of hypotenuse)²= 9²+9²
= 81+81
= 162
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