mintyiceT mintyiceT

24-08-2020
Mathematics

contestada

I'm trying to find 1, 2, & 3 but idk how? Sry if it's sideways I'm new

Im trying to find 1 2 amp 3 but idk how Sry if its sideways Im new class=

Respuesta :

surjithayer10 surjithayer10

24-08-2020

Answer:

Step-by-step explanation:

m∠1+∠2=180

2x+40+2y+40=180

2x+2y=180-80

2x+2y=100

x+y=50

x=50-y

m∠1=m∠3

2x+40=x+2y

2x-x=2y-40

x=2y-40

2y-40=50-y

2y+y=50+40

3y=90

y=30

x=50-y=50-30=20

m∠1=2x+40=2×20+40=80°

m∠2=2y+40=2×30+40=60+40=100°

m∠3=x+2y=20+2×30=80°

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