2 years ago

Work out the size of angle x Angles 50 120

SAT

1 answer:

lbvjy [14]2 years ago

4 0

Answer:

x = 70°

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

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