Mathematics Grade 7 15 min

Relationship between area and perimeter

Relationship between area and perimeter

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1

Maximize area for a rectangle with a perimeter of 20 units.

2

Minimize perimeter for a rectangle with an area of 36 sq. units.

3

A 3x4 rectangle's length is doubled. What happens to its area and perimeter?

Sample Practice Questions

Easy
A rectangle has a perimeter of 12. What is its largest possible area?
0.8
1.9
2.10
3.12
Easy
A rectangle has an area of 25. What is its smallest possible perimeter?
0.15
1.20
2.25
3.26
Easy
A 2x5 rectangle's width is doubled to 4. What is the new area?
0.10
1.14
2.18
3.20

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