Answer:
Step-by-step explanation:
<u>Property of regular polygons:</u>
- Sum of Interior Angles = (n−2) × 180°, where n is number of sides
<u>In our case we have:</u>
- 158.8×n = (n - 2)×180
- 180n - 158.8n = 360
- 21.2n = 360
- n = 360/21.2
- n = 17
Answer:

Step-by-step explanation:
x = 10
x = 20 / 2
x = 4*5 / 2
Answer:(–8, 8) and (2, 2) (–2, 1) and (3, –2)
Step-by-step explanation:
2x+4=3x+1 they've substituted y =2x+4 into the second eq.