Question

A circle had radius 5.6cm. Fin 1 decimal place
A.circumference
B.Area

Answer 1

C=pi times the diameter
3.142 times 10.2=32.0cm


Area=pi times radius squared
3.142 times 5.6(squared) =98.5 cm(squared)

Answer 2

A. 17.6cm

B. 98.56cm2

Explanation:

circumference of a circle =πr

=(22/7)*5.6

=17.6

B. Area of a circle =πr2

=(22/7)*(5.6)squred

22/7*31.36

=98.56