Question

Find the value of angle x:
∆B=(5x+13)°
∆C=(4x+2)°
∆D=(2x+9)°​

Answer 1

Answer:

x=2°

Step-by-step explanation:

as angle CBD and angle ABD are in linear pair so their sum os 180°

so angle B=180°-(5x+13°)=167°-5x

now angle B +angle C+angle D =180°

180°=178°+x

x=2°