2 years ago

What is the value of x if the sides of a equilateral triangle are x+9 , 3x-9 , and 2x

Mathematics

1 answer:

Yakvenalex [24]2 years ago

3 0

Answer:

x=9

Step-by-step explanation:

The triangle is equilateral which means the sides are equal.

x+9 = 2x

Subtract x from each side

x+9-x = 2x-x

9 =x

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