Find the value of Y. Round to the nearest tenth

Question

asked Jul 26, 2022 43.0k views

2 Answers

Pejuko · Answer 1 · 2022-07-26T16:57:32+0000

Answer:

27.8 degrees to the nearest tenth.

Explanation:

Using the Cosine Rule:

8^2 = 16^2 + 17^2 - 2.16.17cosY

cosY = (8^2 - 16^2 - 17^2) / (-2.16.17)

= 0.88419

Y = 27.848 degrees