4 years ago

What is the value of x?

Mathematics

2 answers:

Nina [5.8K]4 years ago

7 0

Sum of angles of a triangle = 180°

91 + 10x - 4 + 8x +3 = 180
18x + 90 = 180
18x = 90
x = 5°

hram777 [196]4 years ago

6 0

Sum of angles of a triangle = 180°

91 + 10x - 4 + 8x +3 = 180
18x + 90 = 180
18x = 90
x = 5°

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