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12345 [234]
3 years ago
7

Work out the size of angle x Angles 50 120

SAT
1 answer:
lbvjy [14]3 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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