ReaLily
24.11.2020 •
Mathematics
Help me ples ples ples ples
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Ответ:
Ответ:
101.08 degrees to nearest hundredth.
Step-by-step explanation:
Use the Cosine Rule:-
25.7^2 = 10.7^2 + 21.4^2 - 2*10.7*21.4 * cos x where x is the required angle.
cos x = (25.7^2 - 10.7^2 - 21.4^2) / (-2*10.7*21,4)
= 88.04 / - 457.96
= -0.192244
x = 101.08 degrees