Question

The perimeter of a triangleis 25m if two sider of itare 7 m and 8 m respectively fin the third side. ​

Answer 1

Step-by-step explanation:

p=25m

P=SUM OF ALL SIDES

25=7+8+THIRD SIDE

25=15+THIRD SIDE

25-15=THIRD SIDE

10=THIRD SIDE

Answer 2

Answer:

Let the third angle be x

perimeter of triagle is sum of all side

so

7+8+x=25

x+15=25

x=25-15

x=10

ans