Question

the circumference of a circle exceeds the diameter by 16.8 cm find the circumference of the circle ​

Answer 1

Answer :-

3.92 cm

Step by step Explanation :-

• We Know That the Circumference of Circle is C = πr

Diameter = d = 2r

Given , C = d + 16.8

2πr = 2r + 16.8

$2 \times \frac{22}{7} r - 2r = 16.8 \\ \\ r ( \frac{44}{7} - 2) = 16.8 \\ \\ r = \frac{16.8 \times 7}{44 - 14} = \frac{16.8 \times 7}{30}$

r = 3.92 cm.

Reduce of circle is 3.92 cm .

Answer 2

Answer:

Answer :-

$\huge{\boxed{\boxed{\tt \red{3.92 cm}}}}$

Step by step Explanation :-

We Know That the Circumference of Circle is C = πr

Diameter = d = 2r

Given , C = d + 16.8

2πr = 2r + 16.8

$2 \times \frac{22}{7} r - 2r = 16.8 \\ \\ r ( \frac{44}{7} - 2) = 16.8 \\ \\ r = \frac{16.8 \times 7}{44 - 14} = \frac{16.8 \times 7}{30}$

r = 3.92 cm.

Reduce of circle is 3.92 cm .

$\purple{\rule{45pt}{7pt}}\red{\rule{45pt}{7pt}}\pink{\rule{45pt}{7pt}}\blue{\rule{45pt}{7pt}}$