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Using Algebra to find Perimeter

Total questions: 15

Worksheet time: 12mins

Name
Class
Date
1.

Which expression could be used to find the perimeter of this triangle?

a)

3x

b)

3x + 10

c)

3(x + 4) + 6

d)

2x + 10

2.

What is the value of a if the perimeter of the triangle is 28?

a)

a = 3

b)

a = 10

c)

a = 6

d)

a = 12.7

3.

Which expression could be used to find the perimeter of this rectangle?

a)

4n + 4

b)

2n + 2

c)

n(n + 2)

d)

2n(2n + 4)

4.

What is the value of y if the perimeter is 44?

(a)  

5.

Which expression could be used to find the perimeter of the polygon?

a)

4w - 8

b)

2w + 10

c)

6w + 3

d)

6w + 2

6.

What is the value of x?

(a)  

7.

What is the perimeter of the figure?

(a)  

8.

What is the value of c if the perimeter is 20?

(a)  

9.

What is the value of d if the perimeter is 21?

a)

d = 10

b)

d = 6

c)

d = 4

d)

d = 2

10.

What is the value of s if the perimeter is 49?

(a)  

11.

What is the value of y if the perimeter is 108?

(a)  

12.

What is the value of p if the perimeter is 270?

(a)  

13.

What is the value of m if the perimeter is 393?

(a)  

14.

A regular pentagon and a regular octagon have perimeters of the same size. If the length on one side of the pentagon is 40h units, find the length of one side of the octagon.

a)

8h

b)

25h

c)

5h

d)

20h

15.

Which expression can be used to find the perimeter of this isosceles triangle?

a)

5t + 5

b)

3t + 2

c)

4t + 1

d)

5t