I really need help. Find a. Round to the nearest tenth.

Question

asked Dec 7, 2021 226k views

1 Answer

TimK · Answer 1 · 2021-12-14T00:39:55+0000

Answer:

a ≈ 1.8

Explanation:

a / sin (180 - 105 - 15)° = 2 /sin 105°

a = (2 /sin 105°) x sin 60°

a = (2 / 0.97) x 0.87

a = 1.79 (≈ 1.8)