laishaaa laishaaa
  • 23-11-2016
  • Mathematics
contestada

the length of a rectangle is three times its width . if the perimeter of the rectangle is 40 cm find its area

Respuesta :

DudeMagic
DudeMagic DudeMagic
  • 23-11-2016
Divide 40 by 4 =10 3 times the width of the length = 30 30 times 10 = 300
Answer Link
grapril grapril
  • 23-11-2016
3w+3w+w+w=8w ... 40/8=5 ...w=5 l(3w)=15 ... 5x15=75 so the area is 75
Answer Link

Otras preguntas

29. Which of the following business documents most likely would not contain instructions? A. e-mail B. memo C. handbook D. résumé
Why are Australia’s most populous cities located along Australia's coasts?
Hypothesis of smoking cigarette
Solve the inequality: 10x+5≥25 Select one: x≥3 x≥2 x≥30 x≥20
Find the sum of (x+5), (-4x-2), and (2x-1) Show your work please
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
How were female pilots treated differently than male pilots?
Read the writing prompt and answer the questions that follow. Write a compare-and-contrast analysis of how culture shapes the heroes in Heart of a Samurai and B
HELP 10pts! What is the arc length of an arc with radius 14 in and central angle 66°? Show all calculations that lead to the answer and include units
ILL GIVE YOU BRAINLIEST HELP