7. The length of a rectangle is 3 centimeters less than twice its width. The perimeter of the rectangle is 48 cm. What are the dimensions of the rectangle?

a length = 11 cm; width = 7 cm

b length = 15 cm; width = 9 cm

c length = 12 cm; width = 12 cm

d length = 14 cm; width = 10 cm

Question

Hobbes

Mathematics

24 November, 02:50

7. The length of a rectangle is 3 centimeters less than twice its width. The perimeter of the rectangle is 48 cm. What are the dimensions of the rectangle?

a length = 11 cm; width = 7 cm

b length = 15 cm; width = 9 cm

c length = 12 cm; width = 12 cm

d length = 14 cm; width = 10 cm

+4

Answers (1)

Know the Answer?

Jayla Navarro · Answer 1

The answer is b

The perimeter of a rectangle is 2 (l + w) so in this case, it is 2 (15 + 9) and that is equal to 48. But so at c and d. So u need to multiply the width by 2 (9*2=18) and then you'll see that 18-3=15. And therefore, the length is - 5 and the width is 9

7. The length of a rectangle is 3 centimeters less than twice its width. The perimeter of the rectangle is 48 cm. What are the dimensions of the rectangle?a length = 11 cm; width = 7 cmb length = 15 cm; width = 9 cmc length = 12 cm; width = 12 cmd length = 14 cm; width = 10 cm

7. The length of a rectangle is 3 centimeters less than twice its width. The perimeter of the rectangle is 48 cm. What are the dimensions of the rectangle?

a length = 11 cm; width = 7 cm

b length = 15 cm; width = 9 cm

c length = 12 cm; width = 12 cm

d length = 14 cm; width = 10 cm