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Work out the size of angle X.​
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2 votes
Work out the size of angle X.​

Work out the size of angle X.​-example-1
User Maetschl
by
5.1k points

1 Answer

3 votes

Answer:

x = 70°

Explanation:

The external angle of a triangle is equal to the sum of the 2 opposite interior angles.

120° is an external angle of the triangle, thus

x + 50 = 120 ( subtract 50 from both sides )

x = 70

User Gabhor
by
5.6k points
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