Question

[40 POINTS]

In ΔABC, ∠A = 72 and ∠B = 18. What is the shortest side of the triangle?
A) AB
B) BC
C) AC
D) cannot be determined

Answer 1

C) AC

Explanation:

Answer 2

C) AC

Explanation:

<A = 72

<B = 18

The three angles of a triangle add to 180

<A + <B+ <C = 180

72+18+ <C = 180

Combine like terms

90 + <C = 180

Subtract 90 from each side

<C = 180-90

C = 90

The shortest side is opposite the smallest angle

B is the smallest angle and it is opposite side AC