Solve the problem.
-The perimeter of a triangle is 48 cm. The triangle is isosceles now, but if its base were lengthened by 6 cm and each leg were shortened by 6 cm, it would be equilateral. Find the base of the original triangle.
A) 8 cm
B) 20 cm
C) 14 cm
D) 7 cm
Correct Answer:
Verified
Q29: Solve the problem.
-The perimeter of a rectangle
Q30: Solve by the substitution method.
--7x + 7y
Q31: Solve using the substitution method.
-x = -1
Q32: Solve the problem.
-The sum of two numbers
Q33: Solve the problem.
-The sum of two angles
Q35: Solve by the substitution method.
-7x + 27
Q36: Solve the problem.
-Find two numbers whose sum
Q37: Solve using the elimination method.
-x + y
Q38: Solve using the elimination method.
-4 x -
Q39: Solve the problem.
-The perimeter of a rectangle
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