Question

In a triangle ABC, angle A=25 degree more than angle B, and angle C =10degree less than angle B. What are the angle of the triangle?

Answer 1

Here is your answer > >
Let the angle b be x
Angle a will be x+25
Angle c will be x-10
Sum of angles of a triangle =180
x+x+25+x-10=180
3x=165
x=55
A will be 55+25=80
C will be 45

Answer 2

let the angle B be x
so angle A = x+25
and angle C=x-10
A/Q
x+x+25+x-10=180(angle sum property of triangle)
3x+15=180
3x=180-15
3x=165
x=165/3
x=55
therefore B= x=55
A=x+25=80
C = x-10 =45