Angle A of a triangle ABC is equal to the sum of the other two angles. Also, the ratio of the angle B to the angle C is 4 : 5. The three angles are Options: A . &nbsp30 0 , 60 0 , 90 0 B . &nbsp90 0 , 40 0 , 50 0 C . &nbsp90 0 , 45 0 , 45 0 D . &nbsp60 0 , 30 0 , 90 0

Angle A of a triangle ABC is equal to the sum of the other two angles. Also,

Question

Angle A of a triangle ABC is equal to the sum of the other two angles. Also, the ratio of the angle B to the angle C is 4 : 5. The three angles are

Options:

A . 30⁰, 60⁰ , 90⁰

B . 90⁰, 40⁰ , 50⁰

C . 90⁰, 45⁰ , 45⁰

D . 60⁰, 30⁰ , 90⁰

Answer: Option B

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