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2 years ago

How to find y in angle sum theorem

Mathematics

1 answer:

Svetach [21]2 years ago

3 0

Answer:

y = 90°

Step-by-step explanation:

110° is the measure of exterior angle of bigger triangle.

-> (x + x) + 70° = 110° (By exterior angle theorem)

-> 2x = 110° - 70°

-> 2x = 40°

-> x = 40°/2

-> x = 20°

y is the measure of exterior angle of smaller triangle.

-> y = x + 70° (By exterior angle theorem)

-> y = 20° + 70°

-> y = 90°

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3 years ago

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Answer:

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Step-by-step explanation:

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Kipish [7]

Answer:

Step-by-step explanation:

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