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avanturin [10]
3 years ago
14

Find the value of x - help

Mathematics
2 answers:
san4es73 [151]3 years ago
7 0
The sum of the interior angles in a triangle = 180

There are three angles, 30, x, and x.
Since there are two x, you can therefore write this equation and solve for x.

180 = 2x + 30
150 = 2x
/2       /2 
  75 = x

Therefore the answer is C, 75.
Ostrovityanka [42]3 years ago
5 0
Well since both of the angles are congruent we just need to do 180 - 30 = 150
150 / 2 = 75

(C) is the answer :D
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