Question

Let |a| = 12 at an angle of 25° and |b| = 7 at an angle of 105°. What is the magnitude of a + b? Round to the nearest decimal.

12.8
14.9
15.4
17.3

Answer 1

C. 15.4

Your question: "Let |a| = 12 at an angle of 25° and |b| = 7 at an angle of 105°. What is the magnitude of a + b? Round to the nearest decimal."

Calculate the magnitude

The answer is 15.4

Answer 2

It is 15.4 on edge. C

Explanation: