Paigebinford Paigebinford
  • 12-03-2015
  • Mathematics
contestada

The length of a rectangle is 12 cm more than it's width . Find the area of the rectangle if it's perimeter is 100 cm

Respuesta :

kittymaniac
kittymaniac kittymaniac
  • 12-03-2015
l = 12 + w
2l + 2w = 100

2(12 + w) + 2w = 100
24 + 4w = 100
4w = 76
w = 19

l = 12 + (19)
l = 31

Area = l * w
Area = 19*31
Area = 589 cm^2

Hope this helps! :)
Answer Link

Otras preguntas

Which of the following is true of the seasons? The Earth is closer to the sun during the summer and farther away from the sun during the winter. The seaso
The area of Jackson's rectangular garden is 64 square ft. If the length of the garden is 16 ft, what is the width of the garden?
Which form of resistance do you think was the most effective compare resistance to slavery
What are three ways in which ocean water varies
What is the domain of this relation? {(0, 2), (1, -2), (2, 4)}
Which line in this excerpt from Richard Connell's “The Most Dangerous Game” uses personification? "The old charts call it `Ship-Trap Island,"' Whitney replied.
Someone please help me with this one!!!!
carla uses 2 3/4 cups of whole wheat flour and 1 3/8 cups of rye flour in her bread recipe. How many cups does she use in all?
Why are encyclopedias a poor source of primary information? A. They are unreliable. B. They are too broad in their scope. C. They are poorly written. D. Th
what is the solution to the equation 2(x-10)+4=-6X+2?