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Question

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


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Solution

Finding the B and C.:

Solution:

In ABC

AB=AC

Therefore, ΔABC is a right-angled isosceles

B=C (angles opposite to equal sides are equal)

A+B+C=180° (angle-sum property of a triangle)

SubstitutingB=C,A=90°

90°+2B=180°

2B=180°-90°2B=90°B=45°

B=C=45°

Therefore, the value of B=C=45°.


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