Respuesta :

Angle c is a right angle, symbolized by the box drawn on top of it.

Angle c = 90

Angle a = 28

If the sum of the measures of the angles of a triangle is 180, then all you need to do is add the measure of the known angles and subtract the sum from 180.

Angle b = 62

Charles00

Right angle = 90*

Given angle = 28*

Unknown angle = ?

All triangles equal 180* :

90 + 28 + x = 180

(90 + 28 + x) - 90 = (180) - 90

(28 + x) - 28 = (90) - 28

x = 62*

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