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20 votes
The perimeter of a triangle is 27.1 feet. The sides of the triangle

measure 9.8 feet, 10.9 feet, and x feet. Write and solve an equation to find
the length of the missing side.

User Rahi
by
8.3k points

2 Answers

12 votes

We know perimeter of triangle=sum of sides


\\ \sf\longmapsto 9.8+10.9+x=2.71


\\ \sf\longmapsto x+20.7=2.71


\\ \sf\longmapsto x=2.7-20.7


\\ \sf\longmapsto x=|-18|


\\ \sf\longmapsto x=18ft

User Brandon Ling
by
7.1k points
13 votes

Answer:

6.4

Explanation:

9.8 + 10.9 + x = 27.1

20.7 + x = 27.1

x = 6.4

User Ron Nabuurs
by
8.0k points

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