Question

Triangle ABC is an isosceles triangle. Select a possible ratio for the lengths of the sides of triangle ABC if its perimeter is 42 inches and the length of each side is a whole number. A) 7:4:4 B) 5:4:4 C) 4:3:3 D) 3:2:2

Answer 1

D

Explanation:

isosceles triangle = 2 sides equal

multiply each by 6 you'll get D 18:12:12 sum of all three is 42