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Please help me, With the following equilateral triangle, each angle has the same measure of 10x+20

Please help me, With the following equilateral triangle, each angle has the same measure-example-1

1 Answer

12 votes

Answer:

x=4

Explanation:

In a equilateral triangle, every angle has a measure of:


(180)/(3) = 60

so:


10x + 20 = 60 \\ 10x = 40 \\ x = 4

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