Mathematics
Grade 8
15 min
Add polynomials to find perimeter
Add polynomials to find perimeter
Tutorial Preview
1
Find the perimeter of a triangle with sides (x+2), (2x+1), and (3x).
2
Find the perimeter of a rectangle with length (3y+4) and width (y).
3
Find the perimeter of a shape with sides (z), (z+1), (2z), and (z-1).
Sample Practice Questions
Easy
Find the perimeter of a triangle with sides x, x+1, and x+2.
0.3x+3
1.x+3
2.3x
3.3x-1
Easy
A rectangle has length y+3 and width 2. What is the perimeter?
0.y+5
1.2y+10
2.2y+5
3.y+10
Easy
Find the perimeter of a triangle with sides 2a, 3a, and 4.
0.5a+4
1.9a
2.6a+4
3.24a
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