Question

If the length and perimeter of a rectangle are 20cm and 70 cm respectively. Find its
breadth.​

Answer 1

$\huge \ \mathfrak{@DarkShadow7083 }$

Answer 2

Answer:

breadth is 15 cm

Step-by-step explanation:

let  the breadth be x

length is 20 cm

perimeter is 70cm

perimeter of a rectangle is 2(L+B)

70=2(L+B)

70=2(20+x)

70=40+2x

70-40=2x

30=2x

x=30/2

x=15cm

breadth is 15cm