zanepestalozzi zanepestalozzi
  • 14-01-2020
  • Mathematics
contestada

a rectangle has a perimeter of 18. if the length is 4, what is the width?

Respuesta :

Allyssa22
Allyssa22 Allyssa22
  • 14-01-2020
The width is 5. The formula is 2l+2w. If the length is 4 the width must be 5
2(4) + 2(5)= 18
8+10=18
18=18
Answer Link
ntowry
ntowry ntowry
  • 14-01-2020

Answer:5

Step-by-step explanation:

2 x length + 2 x width = perimeter of rectangle.

you know the total is 18

(2 x 4) x 2w = 18

8 x 2w = 18

2w = 10

w = 5

Answer Link

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