215marskor 215marskor
  • 06-07-2020
  • Mathematics
contestada

А
1
4
2
D
3
In the diagram above, Z1 = 20x+60 and
23 = 30x+20. Find the measure of Z1.
Z1 = [? ]°
Enter
Answer

А 1 4 2 D 3 In the diagram above Z1 20x60 and 23 30x20 Find the measure of Z1 Z1 Enter Answer class=

Respuesta :

swan85 swan85
  • 06-07-2020

Answer:

∠1=140

Step-by-step explanation:

∠1=∠3 ( corresponding angles)

20x+60=30x+20

-20x+30x=60-20

10x=40

x=4

∠1=20x+60=20(4)+60=140

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