Triangle b because it only has 3 sides
Radian is pure measure based on the radius of the circle.
Therefore, the answer is = 57.30 degree
Answer:

Solution:
According to the Pythagorean Theorem, is that the square of the hypotenuse is equal to the sums of squares of the two legs in which if you take the square root of the sum you are going to get the actual length of the hypotenuse but the two legs are already squared so all you have to do now is sum them and take the square root of it.

Parallel has same slope = -1/11
answer is B. -1/11