The width of the rectangle is 2/3 of its length.if the perimeter of the rectangle is 80cm.find it's area.
Answers
Answered by
8
Answer:
the are is 384
Step-by-step explanation:
u have to take out the length 1st with the help of the perimeter
Answered by
22
width = 2/3 length
•°• b = 2/3 × l
paremeter = 2(l + b)
80 = 2(l + 2l/3)
80 = 2( (3l + 2l)/3)
80 = 2 (5l/3)
80 = 10l/3
10l = 80 × 3 = 240
l = 240/10 = 24
now, b = 2/3 × l = 2/3 × 24 = 16
b = 16
- Area of rectangle = l × b
- => = 24 × 16 = 324sq unit
Area of rectangle is 324 unit²
Similar questions