3 years ago

What is the value of x

Mathematics

1 answer:

emmainna [20.7K]3 years ago

3 0

Question

What is the value of x

Answer:

Step-by-step explanation:

the sum of the interior angles is 180° (triangles only)

take away from 180° the know angles

180 - 102 - 39 =

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Answer:

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Step-by-step explanation:

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This is equivalent to x + 2 = 3 and x + 2 = - 3

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