9v2y4ndjhg 9v2y4ndjhg

03-12-2020
Mathematics

contestada

The length of a rectangle is three times its width. If the area of the rectangle is 243 m squared, find it’s perimeter

Respuesta :

03-12-2020

Answer: 72

Step-by-step explanation:

L= 3W

area of a rectangle A= LxW

replace L with 3 W

A=3W*W= 3w^2

243=3W^2

243/3=W^2

81=w^2, and W=9

L=3*9=27

P= (L+W)=2(27+9)=72

Answer Link

Otras preguntas

The decline in medieval trade was caused by

The decline in medieval trade was caused by

If item costs $99.99 with 15% off and I get final price. It then asks me what percentage of savings. How do I get the percentage of savings

What's another name for vital signs?

What is 60 divided by 100 and why? ( I got 0.6 but I'm not sure ) plz hurry

next term in sequence 61, 122, 244, 488

what is 20% of $45.00?

What is the Geocentric theory in your own words?

Can someone help me in probability?Amanda wrote a computer program that generates two random numbers between one and eleven.When she runs it,what is the probabi

the perimeter of a square is 4 times as great as the length of any of its sides. Determine whether the perimeter of the square is proportional to the side lengt