1)what is the perimeter in centimeter of an octagon?

2) Tai went to a shoping mall he spent $25.75 on a shirt 15.49 on a hat and 9.95 on a poster before tax was 8.25%on all purchases what was the total cost of Tai's purchase including Tax?

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- Dec 30th 2006, 07:19 PMstephlova59hheeelllp basic math
1)what is the perimeter in centimeter of an octagon?

2) Tai went to a shoping mall he spent $25.75 on a shirt 15.49 on a hat and 9.95 on a poster before tax was 8.25%on all purchases what was the total cost of Tai's purchase including Tax? - Dec 30th 2006, 07:29 PMThePerfectHacker
Octagon has 8 sides. If each side is 1 centimeter then the perimeter which is the sum of all sides is,

1+1+1+1+1+1+1+1=8 centimeters.

Quote:

2) Tai went to a shoping mall he spent $25.75 on a shirt 15.49 on a hat and 9.95 on a poster before tax was 8.25%on all purchases what was the total cost of Tai's purchase including Tax?

Now add 8.25 precent of that.

8.25% of 51.19 = .0825 x 51.19 = 4.223175

Now add (only need 2 digits because cents are up to 2 digits)

4.22 + 51.19 = 55.41