the length and breath of a rectangle are in the ratio 5:3 if the breath of the rectangle is 45cm find its length
Answers
Answered by
0
Answer:
This is the answer
Step-by-step explanation:
Let length =5x and breadth=2x
Area of rectangle=5x×2x=10x
2
Perimeter of rectangle=2(l+b)=2×(5x+2x)=14x
Now,
A
P
=
3
1
⇒
10x
2
14x
=
3
1
⇒x=4.2
∴Length of rectangle=5×4.2=21 units
Answered by
0
let it be x
5x+3x=8x
8x=45
x=45/8
x=5.625 is breath
Similar questions