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Ex 5.1, 4 - Chapter 5 Class 7 Lines and Angles
Last updated at May 29, 2023 by Teachoo
Chapter 5 Class 7 Lines and Angles
Concept wise
- Lines
- Angles
-
Supplementary and complementary angles
- Adjacent Angles, Linear Pair of angles, Vertically Opposite angles
- Angles made by the transversal - Theory
- Angles made by the transversal - Questions
Transcript
Ex 5.1, 4 Find the angle which is equal to its complement. Let two complementary angles be Angle 1 & Angle 2 Where Angle1 = Angle 2 We know that, If two angles are complementary, their sum is 90°. So, Angle 1 + Angle 2 = 90° Angle 2 + Angle 2 = 90° 2 × Angle 2 = 90° Angle 2 = 90"°" /2 Angle = 45° ∴ 45° is equal to its complement.
