1. If two angles of a triangle are 21° and 38°, then the triangle is
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By: anil on 05 May 2019 01.54 am
Two angles of triangle are 21° and 38°. Let third angle be $$ heta$$ => 21° + 38° + $$ heta$$ = 180° => $$ heta$$ = 180° - 59° = 121° Since, $$ heta$$ > 90°, => It is obtuse angled triangle.
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