Question

The measures of the angles of a triangle are shown in the figure below. Solve for x.

Answer 1

• The sum of all angles of a triangle is 180°
• Therefore, 87° + 57° + x° = 180°

or, 144° + x° = 180°

or, x° = 180° - 144°

or, x° = 36°

or, x = 36.

Answer:

x = 36

Hope it helps.

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