WILL MARK BRAINLIEST! Can someone please help! I don't understand some of these questions :(

18 sides

Step-by-step explanation:

We have two formulas:-

1. The interior angle of any regular polygon with n sides:

2. The exterior angle of any regular polygon with n sides:

Solve:

×

×

Hence, the shape has 18 sides.

18

Step-by-step explanation:

Let the polygon has x sides

Each interior angle is (x-2)×180/n

Each exterior angle is 360/x

Given,

If you solve it, you get, x = 18

Answered by GAUTHMATH

b

step-by-step explanation:

to determine the unit cost your would divide the total cost by the number sold.

7 bagels for $4.41       $4.41/7 = $.63 each at fresh side

5 bagels for $3.60         $3.60/5 = $.72 each at value mart