Q. 75.0( 1 Vote )

# Draw an isosceles right triangle of hypotenuse 4 centimetres.

1) Draw a line BC 4 cm.

2) At B, draw XBC = 45°

3) At C, draw YCB = 45°

BX and CY intersect each other at A. and ΔABC is required triangle,

Also,

In ΔABC

B = C = 45°

Therefore, AB = AC [i.e. ABC is isosceles]

And By angle sum property of triangle,

A + B + C = 180°

A + 45 + 45 = 180

A = 90°

Hence, ABC is isosceles.

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