Question

in a triangle ABC angle C is 9 degree more than angle B and angle B is 2 degree less than the 3 time angle is find the angles of the triangle​

Answer 1

Answer:

b=73 and c=82 degrees

Step-by-step explanation:

Let angle a be x

Let angle b be 3x-2

and angle c be 3x-2+9 =3x+7

Adding all the angles a,b and c we know that total is 180 degree

.

So,

⇒x +3x-2+3x+7=180

⇒ 7x +5= 180

⇒ 7x =175

= x = 25

∴ Angle a =25

Angle b = 3(25) - 2 = 73

Angle c = 3(25) -2+9 =3x+7  = 82

∴b=73 and c=82 degree

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