Question

21) Find the breadth of a rectangle whose length is
9cm and area is 63 sarem
22) find the volume of a cube with side 9cm
23) Perimeter of a square - Perimeter of a rectangle with
sides 8cm and 6cm. The area of square is
​

Answer 1

Answer:

21.Length=9cm

Area = 63 cm sq

therefore breadth =

$63 \div 9 = 7$

so, breadth is 7cm

Answer 2

22. volume of cube = side^3
= 9^3
= 729