Question

CLASS ROLL NO. DATE ratio л The legth and breath of a rectangular plat is 4:3 If the perimeter is 140cm, find its area​

Answer 1

Answer:

ratio of length and breadth is 4:3

4x length

3x breadth

perimeter = 140cm

2(l+b)= 2(4x+3x)= 140

7x= 70

x=10

length = 4×10= 40cm

breadth= 3×10= 30cm

area of rectangle is l×b = 40×30= 1200cm²

Answer 2

Answer:

area of the rectangular plate is 1200 cm^2