Question

Suppose a triangle has two sides that measure 7 inches and 11 inches. Which of the following could be the length of the third side? Select all that apply.

A.4 inches

B. 7 inches

C. 13.5 inches

D. 18 inches

E. 20 inches

Answer 1

The rules for the side lengths of a triangle are
A+B > C
B + C > A
A+ C > B
so
7= A
11 = B
11 + 7 = 18
So 4 inches and 13.5 inches work

Answer 2

1.B,D
2.C
3.C
4.B
5.D
6.A
7.A
8.C