Question

Find the circumference and area of circle of radius 4'2cm

Answer 1

Answer:

area is 55.44 cm^2 and circumference is 26.4 cm^2.

Step-by-step explanation:

circumference of a circle is 2πr

so 2×22/7×4.2=26.4cm^2.

area of a. circle is πr^2

so 22/7×4.2×4.2=55.44cm^2.

hope this helps u.

Answer 2

Answer:

Area of given circle = 752929.61 cm²