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2 years ago

Please Help

Mathematics

2 answers:

Lemur [1.5K]2 years ago

5 0

Answer:

Step-by-step explanation:

ITS FOR MY A P E X PEOPLE

ALSO STEPS BELOW

* In ΔABC

∵ m∠A = 45°

∵ m∠B = 110°

∴ m∠C = 180 - 45 - 110 = 25°

By using the sin Rule

∵ a/sin(A) = b/sin(B) = c/sin(C)

∵ c = 7

∴ a/sin(45) = b/sin(110) = 7/sin(25)

∴ a = (7 × sin(45)) ÷ sin(25) = 11.71

∴ b = (7 × sin(110)) ÷ sin(25) = 15.56

∴ The answer is (D)

ExtremeBDS [4]2 years ago

4 0

Answer:

The answer is a.

Step-by-step explanation:

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