2 years ago

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

Mathematics

1 answer:

Igoryamba2 years ago

4 0

Step-by-step 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°

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