1.

Easy Math Problems, Please Solve Them For Me.1. The diameter of a circle is 8 cm. Find its (a) radius and (b) circumference step by step.2. The diameter of a circle is 6 cm. Find its (a) diameter and (b) circumference step by step.Please Help Me. I seriously need help.1SEE ANSWER

Answer»

Step-by-step explanation:

1.(a)

d= 8cm

R=d/2

= 8/2

= 4cm

(b)

CIRCUMFERENCE of circle = 2πr

= 2 × 22/7 × 4

= 176/7 cm

2.(a)

DIAMETER = 6cm (given)

{if your QUESTION is to find radius instead of diameter (MISTAKE) = r = d/2 = 6/2 = 3cm}

(b)

circumference of circle = 2πr

= 2× 22/7 × 3

= 132/7 cm



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