# Math help needed with area and circumference

Nov 5th, 2015
Anonymous
Category:
Engineering
Price: \$5 USD

Question description

Which problem would best be solved using  as an approximation of ​π​?

a. Find the perimeter of a rectangle with side lengths of 3 ft and 4 ft.

b. Find the area of a circle with a radius of 33.1 in.

c. Find the circumference of a circle with a diameter of 14 ft.

d. Find the circumference of a circle with a radius of 12 m.

Find the perimeter of a shape with coordinates at ​X​(0, 1), ​Y​(5, -2), and ​Z​(-3, -2).

Round to the nearest tenth, if necessary.

a. 16

b. 18.1

c. 17.2

d. 16.8

Find the area of the shape shown below. Round to the nearest tenth, if necessary.

a. 24.5

b. 35

c. 21.6

d. 45.5

Find the perimeter of the polygon ​ABCDEFG​ shown below. Round to the nearest tenth, if necessary.

a. 59.7

b. 26

c. 30

d. 27.7

Find the area of circle ​C​ shown below. Leave your answer in terms of ​π​.

a.

b.

c.

d.

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