CHAPTER 3 Objective 2.1 Exercises

Name Score

1.  Find the circumference of a circle with a diameter of 35 ft. Use  for .

2.  Find the perimeter of a triangle with sides 3 ft 8 in., 5 ft 6 in., and 6 ft 9 in.

3.  Find the perimeter of a six-sided figure with sides of 15 ft, 32 ft, 21 ft, 34 ft, 17 ft, and 26 ft.

Find the perimeter. Use 3.14 for .

4.  Find the length of a rubber gasket needed to fit around a circular porthole that has a 20 in. diameter. Use 3.14 for .

5.  A metal frame is being built to install around a rectangular sign which is 2 m wide and 3.5 m long. At $2.12 per meter, find the cost of the frame.

6.  Find the area of a right triangle with a base of 5 cm and a height of 2.6 cm.

7.  Find the area of a circle with a diameter of 26 cm. Use 3.14 for .

8.  Find the area of a triangle with a base of 27 cm and a height of 30 cm.

Find the area. Use 3.14 for .

9.  

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