Solve the problem.
-The perimeter of a triangle is $65 \mathrm {~cm}$. The triangle is isosceles now, but if its base were lengthened by $6 \mathrm {~cm}$ and each leg were shortened by $7 \mathrm {~cm}$, it would be equilateral. Find the base of the original triangle.
A) $19 \mathrm {~cm}$
B) $26 \mathrm {~cm}$
C) $13 \mathrm {~cm}$
D) $12 \mathrm {~cm}$

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The Answer of Solve the problem.
-The perimeter of a triangle is $65 \mathrm {~cm}$. The triangle is isosceles now, but if its base were lengthened by $6 \mathrm {~cm}$ and each leg were shortened by $7 \mathrm {~cm}$, it would be equilateral. Find the base of the original triangle.
A) $19 \mathrm {~cm}$
B) $26 \mathrm {~cm}$
C) $13 \mathrm {~cm}$
D) $12 \mathrm {~cm}$

Solve the Problem 65 cm65 \mathrm {~cm}65 cm the Triangle Is Isosceles Now, but If Its Base

Solve the Problem $65 \mathrm {~cm}$ the Triangle Is Isosceles Now, but If Its Base