Answer:
15 sides
Step-by-step explanation:
Interior angle = {n - 2}{180/n}
156 = {n - 2}{180/n}
Cross multiply
156n = {n - 2}180
156n = 180n - 360
180n - 156n = 360
24n = 360
n = 369/24
n = 15
Answer:
-2/3
Step-by-step explanation:
Rise: 4
Run: -6
Slope = Rise over run
Slope = 4 / -6
4 / -6 = -2/3
Not sure i can help with thise since it’s in a graph try asking ur teacher for help maybe?