Question

Find the measure of B

Answer 1

The given angles in the triangle are :

A = (2x+3)°
B=(5x)°
C = (10x)°

To find the measure of angle B , first we need to find the value of x

The value of x can be found out by equating the sum of three angles to 180°

=> (2x+3)° + 5x° + 10x° = 180

=> 17x + 3 = 180°

=> 17x = 180-3

=> 17 x = 177

=> x =
`(177)/(17)`

=> x = 10.4°

Angle B = 5x = 5(10.4) = 52° is the required measure of B