Question

0.8 Calculate the circumference when
1) d = 6cm


ii) r
=4.9 cm​

Answer 1

Answer:

circumference is 2πr

so rise 6/2 =3

circumference is 2π 3

6π

2)

circumference is 2π4.9

=9.8π

Answer 2

1) Circumference of cirle = 2Πr

= 2 × 22/7 × 3 = 18.85

2)2×22/7×4.9= 30.8

Mark me as brainliest