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

What is the S I unit for height?
Why is it important to research several careers rather than just one
Estimate the area of the trapezoid shown.
PLEASE HELP ASAP!! CORRECT ANSWERS ONLY PLEASE!!!
To the nearest degree, what is the measure of the smallest angle of a right triangle whose legs measure 9 and 15?
Why does taipei tree frog can be changed by temperature and and surroundings?
Susan wishes to buy gasoline and have her car washed. she finds that if she buys 9 gallons of gasoline at $2 per gallon, the car wash costs $1.50, but if she bu
To what extent were the reform movements successful in changing american society for the better?
What are inner listening distractions?
A baby is born with an extra chromosome in each of it's cells. Which of the following is responsible for the condition? A. Albinism B. Mutations C. Segregation