Question

construct a triangle ABC with BC is equal to 4 cm angle b is equal to 60 degree and a b + AC is equal to 8 cm​

Answer 1

draw a line segment of 4 cm name it is BC

now for constructing 60 degree drawn from Angle B and then cut an Arc of angle 60 degree

now from that only draw a line of more than 8 cm and name it as D
cut an arc of 8 cm at LINE D and join tothe line C
draw an angle bisector of C and D
after doing that where the point intersects or joins name that point as A and the ABCD is required triangle.
hope it will help you.