👤

2. If the perimeter of a square is 20 cm, find its area.
3. If the circumference of a circle is 10cm, find its area.​


Sagot :

Answer:

C = 2pi r

10 = 2pi r

r = 1.59cm

A= pi r²

A = pi (1.59)²

A = 7.96 cm²