An angle is double its complement. Find the angle.

Question

KnowledgeBoat · Accepted Answer

Let the angle be x. Its complement is (90° - x). The problem states the angle is double its complement. ∴ x = 2(90° - x) ⇒ x = 180° - 2x ⇒ x + 2x = 180° ⇒ 3x = 180° ⇒ x = ⇒ x = 60° Hence, the required angle is 60°.

Mathematics

An angle is double its complement. Find the angle.

Lines & Angles

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