the perimeter of a triangle is 7m + 8 and two sides are 3m +2 and 2m + 1. Find the
third side. Answer- 2m +5 (How?)
Answers
Answered by
5
Answer:
Let the 3rd side be x
7m+8 = 3m+2 + 2m+1 + x
=》x = (7m - 3m - 2m) + (8 - 2 - 1)
=》x = 2m + 5
Hope it helps you mate!!!
Answered by
5
Step-by-step explanation:
Given =
Perimeter = 7m+8
1st side= 3m+2
2nd side= 2m+1
Perimeter of a triangle=
Sum of three sides
Let the other side be x.
7m+8 = 3m+2 + 2m+1 +x
=> 7m+8= 3m+2m+2+1+x
=> 7m+8 = 5m+3+x
=> 5m+3+x = 7m+8
=> x = 7m+8 - 5m-3
=> x = 7m- 5m +8 -3
=> x = 2m+5
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