find the perimeter of triangle 3x-7,2x+5,-x+11
Answers
Answered by
9
Perimeter of triangle =sum of all angles of a triangle
3x+2x-x+11+5-7=180
4x+9=180
4x=180-9
4x=171
X=171/4
X=42.75
Hope it will help you
Answered by
5
Here is the answer-->
Perimeter is sum of all sides of triangle
So
3x-7+2x+5+(-x+11)=180
=>3x-7+2x+5-x+11=180
=>4x+9=180
=>4x=180-9
=>x=171/4
=>x=42.75
HOPE IT HELPS
Perimeter is sum of all sides of triangle
So
3x-7+2x+5+(-x+11)=180
=>3x-7+2x+5-x+11=180
=>4x+9=180
=>4x=180-9
=>x=171/4
=>x=42.75
HOPE IT HELPS
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