158k views
2 votes
The base of an isosceles triangle is 7 cm longer than the legs. Find the legs if the perimeter of the triangle is 43 cm.

User Coltfred
by
5.6k points

1 Answer

5 votes
If L represents the leg length, the perimeter is ...
43 cm = L + L + (L +7 cm)
36 cm = 3L
12 cm = L

The length of the legs is 12 cm.
User Jarussi
by
5.3k points