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The sum of two equal angles of a triangl...

The sum of two equal angles of a triangle is equal to its third angle. Determine the measure of the third angle.

Text Solution

Verified by Experts

Given:
`/_A+/_B=/_C`
By using angle sum property
`/_A+/_B+/_C=180^@`
`/_C+/_C=180^@`
`2/_C=180^@`
`/_C=180^@/2`
`/_C=90^@`
`therefore` The measure of the third angle`=90^@`
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