Question

Please help i need this answer by the 10th :(

Answer 1

Explanation:

a) (X+4) +(2x+2)+x=180°(Angle sum property)

x+4+2x+2+x =180°

6+4x =180°

4x =180°-6

x=174÷4

x=43.5°

b) mABC = x°

mABC =43.5°

c)ABC+ABD =180°(Linear pair Axiom)

43.5°+ABD =180°

ABD =180°-43.5°

ABD =136.5°