Question

find the length and area of the rectangle d and it's width 30cm perimeter 100cm​

Answer 1

Answer:

perimeter of a rectangle=2×length+2×breadth

100 = 2×length+2×30

100 = 2×length+60

2×length=100-60

2×length=40

length =40÷2

length=20

area of rectangle =length×breadth

=60×20=1200