please help WILL GIVE BRANLIEST. DESPERATE. Find the value of theta for the missing angle. Round your answer to the nearest TENT
H. Image attached.
2 answers:
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Answer:
Y ≈ 59.0°
Step-by-step explanation:
Using the Cosine rule
cosY =
with x = 22, y = 20, z = 18
cosY =
=
= , then
Y = (
) ≈ 59.0° ( to the nearest tenth )