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Question

Determine the measure of each of the equal angles of a right-angled isosceles triangle

OR

ABC is a right-angled triangle in which A=90 and AB=AC. Find B and C.

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Solution

Given : In a right angled isosceles ΔABC,

A=90 and AB=AC

To determine, each equal angle of the triangle

A=90 B+C=90But B=C B+B=90 2B=90 B=902=45and C=B=45Hence B=C=45


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