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The perimeter of a triangle is 28 feet. The sides of the triangle measure 10 feet, 9 feet, and x feet. Write and solve an equation to find the length of the missing side.

The perimeter of a triangle is 28 feet. The sides of the triangle measure 10 feet, 9 feet, and x feet. Write and solve an equation to find the length of the missing side.
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3 votes
The perimeter of a triangle is 28 feet. The sides of the triangle measure 10 feet, 9 feet, and x feet. Write and solve an equation to find the length of the missing side.

User RedAce
by
7.7k points

1 Answer

3 votes
10+9+x=28
x=28-9-10
x=9
User Shark
by
8.8k points
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