Answer:
9 Sides
Step-by-step explanation:
According to the Question,
Therefore, The sides do a polygon have if the sum of the interior angles is 1,260°.
Put The Values in Formula, we get
1260=180(n−2)
n-2 = 7
n=9 (9 Sides)
20
40/100 of x = 8
x = 8 x 100 / 40 = 20
( I hope im right!!)
5:15 simplified as 1:3
7.5
2.5√18.75 -
18.75
2.5√18.75