Register
The length of a rectangle is three times its width its perimeter is 24 cm find its area
43.5k views
1 vote
The length of a rectangle is three times its width its perimeter is 24 cm find its area

User Jay Gong
by
7.9k points

1 Answer

2 votes
Area of a rectangle is 27 cm²

Given:
Perimeter of a rectangle = 24 cm
Length = 3x
Width = x

p = 2(l + w)
24 = 2(3x + x)
24 = 6x + 2x
24 = 8x
24/8 = x
3 = x

Width = 3 cm ; Length = 3x = 3(3) = 9 cm

Area = length * width
= 9cm * 3 cm
Area = 27 cm²
User RoeeK
by
7.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Link Copied!