Question

A triangle has sides A, B, and C. Sides A and B are of lengths `3` and `4`, respectively, and the angle between A and B is `pi/12`. What is the length of side C?

Answer 1

5

Explanation:

You can disregard the given angle because 2 sides are already given. Use the Pythagorean Theorem.
`a^2 + b^2 = c^2`
`3^2 + 4^2 =c^2`
`9+16=c^2`
`25=c^2`
`sqrt25=sqrtc^2`
`5=c`