The perimeter of a rectangle is 72 cm. The length is 3 times the width. Find the area of the rectangle
Answers
Answered by
24
Breadth = x
length = 3x
Perimeter = 2(l + b)
72cm = 2(3x + x)
72cm = 2 * 4x
72/8 = x
9cm = x
Now,
Breadth = x = 9cm
Length = 3x = 27cm
Now,
Area = l * b
➡ 27 * 9
➡ 243cm^2
length = 3x
Perimeter = 2(l + b)
72cm = 2(3x + x)
72cm = 2 * 4x
72/8 = x
9cm = x
Now,
Breadth = x = 9cm
Length = 3x = 27cm
Now,
Area = l * b
➡ 27 * 9
➡ 243cm^2
Answered by
10
Answer:243
Step-by-step explanation
Perimeter=2(l+b)
l=3b
72=2(3b+b)
36=4b
b=9
l=3×9
l=27
Area = l×b
=27×9
=243
Hope it helps you
Please mark as brainliest
Similar questions