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Find the angle which is equal to its complement. - Mathematics

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Question

Find the angle which is equal to its complement.

Sum

Solution

Let the angle be x.

Complement of this angle is also x.

The sum of the measures of a complementary angle pair is 90°.

∴ x + x = 90°

2x = 90°

x = `(90°)/2`

x = 45°

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Chapter 5: Lines and Angles - Exercise 5.1 [Page 102]

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NCERT Mathematics [English] Class 7
Chapter 5 Lines and Angles
Exercise 5.1 | Q 4 | Page 102

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