basic geometric
posted by vero .
10. a rectangle has width the same as a side of a square whose perimeter is 20m. the length of the rectangle is 9m. find the perimeter of this rectangle.
34. The width of a rectangular picture is onehalf the length. The perimeter of the rectangle is 72 inches. Find the length of the picture.
35. The width of a rectangular playground is 18 meters less than the length. Find the width when the perimeter of the rectangle is 84meters.
33. Translate to an algrebraic equation then solve.
The length of rentagle is six units longer than the width. find the length and width if the perimeter of the rectangle is 60 units.
36. The legth of a rectangle is three times the width . The perimeter is 49 units . Find the length.
37. The perimeter of a rectangle carpet is 70 feet. The width is three fourths the length . Find the width.
38. The lenght of a rectangulat room is six times as the width . The perimeter is 84 yards. Find the width.
39. The width of a rectangle is 12 units less than the length . The perimeter is 108 units . Find the length.
40. The lenght of a rectangular picutre is seven inches longer than the width . Find the length and the width if the perimeter of the picture is 62.
When I was still teaching, I used to have my students write down the English sentence, and then below it have it translated into "math".
example: # 36
The length of a rectangle is three times the width
l= 3w
The perimeter is 49 units
2l + 2w = 49 but l=3w
so 2(3w)+2w=49
8w=49
w=49/8
most of the others can be done is such a way.
Good Post, Reiny.
The perimeter of a rectangle carpet is 70 feet. The width is three fourths the length . Find the width.
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