Solve the problem.
-The perimeter of a triangle is $69 \mathrm {~cm}$. The triangle is isosceles now, but if its base were lengthened by $2 \mathrm {~cm}$ and each leg were shortened by $4 \mathrm {~cm}$, it would be equilateral. Find the length of the base of the original triangle.
A) $21 \mathrm {~cm}$
B) $25 \mathrm {~cm}$
C) $18 \mathrm {~cm}$
D) $19 \mathrm {~cm}$

Question

Quizplus · Accepted Answer

The Answer of Solve the problem.
-The perimeter of a triangle is $69 \mathrm {~cm}$. The triangle is isosceles now, but if its base were lengthened by $2 \mathrm {~cm}$ and each leg were shortened by $4 \mathrm {~cm}$, it would be equilateral. Find the length of the base of the original triangle.
A) $21 \mathrm {~cm}$
B) $25 \mathrm {~cm}$
C) $18 \mathrm {~cm}$
D) $19 \mathrm {~cm}$

Solve the Problem 69 cm69 \mathrm {~cm}69 cm the Triangle Is Isosceles Now, but If Its Base

Solve the Problem $69 \mathrm {~cm}$ the Triangle Is Isosceles Now, but If Its Base