Question

construct a triangle X Y and Z whose perimeter is equals to 13 cm and angle Y is equal to 60 degree and Angle C is equals to 45 degree

Answer 1

Angles A+B+C=180°
Angle A=180°-105°
Angle A=65°

Pm=13cm
a+b+c=13cm
3a=13
a=13/3cm