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22-12-2020
Mathematics

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If a = 3 and c = 10, find the measure of angle B.

Round to the nearest tenth.

If a 3 and c 10 find the measure of angle B Round to the nearest tenth class=

Respuesta :

ricchad ricchad

22-12-2020

Answer:

∠B = 72.54°

Step-by-step explanation:

angle B:

Cos(B) = adj/hyp

Cos(B) = 3/10

Cos⁻¹(0.30)

∠B = 72.54°

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