Question

Need help fast. Pre Calc

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.

A) 12.8
B) 14.9
C) 15.4
D) 17.3

Answer 1

Answer:

15.4 on edge. C

Step-by-step explanation:

Answer 2

Answer:

The other person is correct.