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Marina86 [1]
3 years ago
9

What is the value of x? Enter your answer in the box. x = ___

Mathematics
1 answer:
lapo4ka [179]3 years ago
5 0
Answer:

x=8

Explanation:

The picture tells us that the triangle is equilateral (this means that each angle is 60°). We can assume this because each side has been marked with the same line.

Because each angle is equal to 60°, this means that:

7x+4=60

Now solve for x:

7x=56
x=8
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