1. sum of exterior angles = 360

so one interior angles = 180 - (360/30) = 180 - 12 = 168 degrees
sum of all the interior angles = 168*30 = 5040
B

2. H

the sum of exterior angles of all polygons is 360 degrres

4 0

3 years ago

The sales tax in Kadisha's state is 5%. Kadisha says she computes a 15% tip by multiplying the tax shown on her bill by 3. For a

lapo4ka [179]

Explanation:

Kadisha's method works because 15% is 3 times 5%, and both amounts are computed on the amount of the bill before tax is added.

7 0

3 years ago

I need help I don’t know how that’s not right.

Leviafan [203]

Answer: v=-81.92

Step-by-step explanation:

$\displaystyle\\7+\frac{v}{8} =-3.24\\\\7+\frac{v}{8}-7 =-3.24-7\\\\\frac{v}{8} =-10.24\\\\\frac{v}{8} =-10.24$

Multiply both parts of the equation by 8:

$\displaystyle\\(\frac{v}{8})(8)=(-10.24)(8) \\\\v=-81.92$

6 0

1 year ago