Question

in ∆ABC if 3 ∠A=4∠B=5∠C , calculate all angles.​

Answer 1

= ANGLE A = 45

= ANGLE B = 60

= ANGLE C = 75

Step-by-step explanation:

LET WE TAKE THE ANGLE A BE y

SO THE EQUATION IS

3y+4y+5y = 180 ( SUM OF ALL ANGLES OF TRIANGLE)

12 y = 180

y = 15

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