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Grade 5 - Mathematics
8.8 Area and Perimeter Formulas

Example: Perimeter of an octagon is ____.
Answer: P = N x S


Directions: Answer the following questions. Also write all the formulas for areas and perimeter of figures write at least 5 examples of your own.
Q 1: Perimeter of a square
P = 2L
P = N x S
P = 2L + 2W

Q 2: Perimeter of a rectangle
P = 2L + 2W
P = 2L + 2
P = L + 2W

Q 3: Perimeter of an equilateral triangle
P = 2L + 2W
P = N x S
P = N x 2S

Q 4: Area of a triangle
A = B + H
A = B x H
A = B x H / 2

Q 5: Perimeter of a regular hexagon
P = 2L + 2W
A = L x W
P = N x S

Q 6: Perimeter of a regular octagon
A = B x H
A = L x W
P = N x S

Q 7: Area of a parallelogram
A = 2 x W
A = B x H
A = S x S

Q 8: Perimeter of a regular pentagon
P = 2L + 2W
A = L x W
P = N x S

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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