Sainik School Entrance Exam 2021 Solved Paper

Question : 45 of 150

Marks: +1, -0

In a triangle, if two of the angles are complementary, then the measure of the third angle is

Solution:

(d) If two angles are complementary then the sum of angles is

90°

.
∵ Sum of interior angles of a triangle is

180°

.
∵ Third angle

=180-90=90°

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