emilyruvalcaba1 emilyruvalcaba1 30-11-2022 Mathematics contestada The perimeter of a triangle is 58 cm. The triangle is isosceles, but if its base were lengthened by 4 cm and each leg were shortened by 7 cm, then it would be equilateral. Find the base of the original triangle. A. 12 cm B. 11 cm C. 23 cm D. 16 cm
