Diagonals are = n - 2

Interior = 144

Exterior angle = 180 - 144 = 36

Formula for exterior of a regular polygon given the number of sides:

= 360/n

36 = 360/n

n = 360/36 = 10

n = 10

Number of diagonals = n - 2 = 10 - 2 = 8

8 diagonals.

7 0

3 years ago

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GEOMETRY HELP PLEASE!!!!!!! Josh is building an enclosure with recycled cardboard for his collection of model cars his design is

scoray [572]

The answer is D. 63. You have to set up a proportion as shwon in the image.

5 0

3 years ago

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Among other ingredients, a recipe for paella calls for 3/4 pound of chorizo and 1/2 cups of rice. What is the unit rate of pound

TEA [102]

The answer to the question is C.

4 0

3 years ago

20% of what number is 90?

ehidna [41]

90 = (20)(x)
so you have to solve for x
90/.20 =450
answer is 450

8 0

3 years ago