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What is the value of f
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What is the value of f

What is the value of f-example-1
User Matthieu Durut
by
5.7k points

1 Answer

2 votes

Answer:

f = 22

Explanation:

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

140° is an exterior angle of the triangle, thus

4f + 1 + 51 = 140, that is

4f + 52 = 140 ( subtract 52 from both sides )

4f = 88 ( divide both sides by 4 )

f = 22

User MarsOnly
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