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Yuri [45]
3 years ago
8

I need the answer. Please help

Mathematics
1 answer:
Lunna [17]3 years ago
4 0

Answer:

C = 25

a = 10.72

b = 11.83

Step-by-step explanation:

The easiest thing to solve for right now is C- all angles in a triangle add up to 180 degrees. So we can subtract 65 and 90 from 180 to get the measure of angle C, 25 degrees.

Then we can use trigonometric functions: SOH CAH TOA

sinC = opposite / hypotenuse

sin25 = 5 /hyp

5/sin25 = hyp

hyp (aka b) = 11.83

cosC = adjacent / hypotenus

cos25 = a/11.83

11.83*cos25 = a

a = 10.72

C = 25

a = 10.72

b = 11.83

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