Mathematics for IGCSE & O level - Angles (Section 3 - No. 27) | ExamPlay

Mathematics for IGCSE & O level - Angles (Section 3 - No. 27)

In a triangle, the angles are represented by x, 2x, and 3x. What is the value of x?

30°

45°

60°

90°

설명

The sum of angles in a triangle is 180°. x + 2x + 3x = 180; 6x = 180; x = 30°.

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