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The base of an isosceles triangle is half the length of each of its congruent sides. If the perimeter of the triangle is 120 inches, what is the length of the base? A. 16 inches B. 24 inches C. 6 inches
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The base of an isosceles triangle is half the length of each of its congruent sides.

If the perimeter of the triangle is 120 inches, what is the length of the base?

A.
16 inches

B.
24 inches

C.
6 inches

D.
12 inches

User Kamal Hamidi
by
7.1k points

1 Answer

2 votes
120 = 1/2b + b + b
120 = 1/2b + 2b
120 = 2.5b
÷2.5 ÷2.5
48 = b <— that is the length of one of the congruent sides
to find the base multiply by 1/2 and you get 24.
THE ANSWER IS… B!
:) hope i helped :)
User VvdL
by
7.7k points
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