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Geometry Basics — Angles

JHS

Geometry

Concept

Find complementary, supplementary and straight-line angles.

Walkthrough

Find the complement of 35°.

  1. 1.Complementary angles are two angles that sum to 90°.
  2. 2.Identify the given angle: 35°.
  3. 3.Subtract the given angle from 90°: 90° − 35° = 55°.
  4. 4.The complement of 35° is 55°.
  5. 5.Verify: 35° + 55° = 90°. ✓

Answer

55

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