Question

4. The perimeter of a triangle is 15-m. If the length of two of its sides is 5-m and 3-m,
3
find the length of the third side of the triangle.
2​

Answer 1

Step-by-step explanation:

perimeter of triangle=15m(add all sides)

so,5m+3m+X=15m

8m+X=15m

X=15m-8m

X=7m

Answer 2

Answer:

7m

Step-by-step explanation:

perimeter of a triangle = 15m

length of sides are 5m,3m and x

5m+3m+x=15m

8m+x=15m

x=15m-8m=7m

thus,x=7m