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Geometry Section 6.7 part 1 HW NMV
1. A rectangle has a perimeter of 25 in and a length of 9 in. Find its area.
2. A rectangle has an area of 54 cm2 and a base of 12 cm. Find its perimeter.
3. The length of a rectangle is 12 more than 4 times its width. If its perimeter is 96 ft, find its area.
4. Consider various rectangles with a perimeter of 48mm. If the base of the rectangle is 20mm, what is the
area. If the base is 18mm, what is the area? If the base is 16mm, what is the area? What is the largest
area that a rectangle with a perimeter of 48mm can have?
5. What is the minimum perimeter of a rectangle with an area of 800 m2?
6. The perimeter of a square is 82 mm. Find its area.
7. The area of a square is 76. Find its perimeter.
OVER
Section 6.7 part 1 HW page 2
For problems 8 & 9, find the area of each figure. Adjacent sides are perpendicular.
2
8.
9.
3
2
2
6
6
4
4
4
6
6
2
3
15
6
18
6
30
10. A rectangular swimming pool 60 m long by 25 wide is surrounded by a concrete walk that is 4 m wide.
Find the area of the sidewalk.