A side of the triangle below has been extended to form an exterior angle of 129°. Find the value of x.

Mathematics

2 answers:

Veseljchak [2.6K]3 years ago

6 0

Answer:

Step-by-step explanation:

Since the angle of a line is 180 degrees all we need to do is substract 129 from 180 and we have the answer for x

180-129=51

nadya68 [22]3 years ago

4 0

129° + x = 180°. [Linear pair]

=> x = 180° - 129°

=> x = 51°

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