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Lines and Angles — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSLines and Angles1 Mark
Question
Which pairs of the following angles are complementary?
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Answer

In this pair, sum of two angles $=75^{\circ}+25^{\circ}=100^{\circ}$ which is greater than $90^{\circ}$.
So, this pair of angles is not complementary.

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