Question

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Answer 1

Answer:

60,45,75

Step-by-step explanation:

given: a:b:c=4:3:5

so, let a,b and c be 4x,3x and 5x respectively.

a+b+c = 180 (AOB is a straight line)

4x+3x+5x = 180

12x = 180

x = 15

a = 4x = 60

b = 3x= 45

c = 5x = 75

Answer 2

EXPLANATION-:

It is given that AOB is staraight and a:b:c=4:3:5 .

We know that-:

If AOB is a straight then-:

↝a+b+c+-180                (Linear pair)

Let a=4x,b=3x and c=5x

ATQ

↠4x+3x+5x=180

↠12x=180

↠x=180/12

↠x=15

Therefore the value of x is 15 .

So,

↬a=4x=4(15)

↬a=60 °

↳b=3x=3(15)

↳b=45 °

⇒c=4x=5(15)

⇒c=70°