Question

The measures of the angles in △ABC are given by the expressions in the table.

Angle Measure
A 65°
B (3x−10)°
C ​​​​(2x)∘
Find the value of x. Then find the m∠B and m∠C.

Answer 1

180-65=3x-10+2x

180-65+10=3x+2x

125=5×

25=x

AngleB= 3•25-10=65

AngleC= 2•25=50

Explanation: