4 years ago

Find the value of X.

2 answers:

8 0

The sum of three angles have to equal to 180°.
(right angle : 90°)
2x + 15 + 90 + x = 180
3x + 105 = 180

3x = 75

x = 25

so the angles would be
25° , 90° , 65°

nordsb [41]4 years ago

3 0

90+(2x+15)+x=180
90+2x+15+x=180
105+3x=180
3x=75
x=75/3
x=25degree

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