One of the angle is equal to the sum of other two. Find the measure of these angles
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Let the triangle be ΔABC and ∠B=∠A+∠C
But, sum of angles of triangle =180
o
⇒∠A+∠B+∠C=180
o
⇒∠B+∠B=180
o
⇒∠B=90
o
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Step-by-step explanation:
there are 3 attachment sheets first two are long method and second is short method you can choose anyone ok
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