Question

1. If the circumference of a circle is 220 m, find its:
(i) Diameter
1
(ii) Area
fo​

Answer 1

Answer:

Step-by-step explanation:

here's your answer:

Given:

Circumference = 220 m

To find:

Diameter and area

Solution:

First it is necessary to find radius

Circumference = 2πr

220 = 2× 22/7 × r

220 × 7 / 2 × 22 = r

5 × 7 = r ( After cancellation)

35 = r

Therefore r is 35 m

Diameter = 2r

= 2 × r

=2 × 35

= 70

Therefore Diameter is 70 m

Area = πr^2

= 22/7 × 35 × 35

= 22 × 5 × 35

= 3850 m^2

Hope this helps ☺️

Answer 2

Answer:

$\huge\tt\underline{question}$

if the circumference of a circle is 220m,finds its diameter and area.

$\huge\tt\underline{given}$

circumference of the circle= 220m

$\huge\tt\underline{to \: find}$

1) diameter

2)area

$\huge\tt\underline{solution}$

to find the diameter,first we have to find the radius of the circle.

given circumference= 220

$2\pi r = 220$

$= > \: r = \frac{220}{2.22 /7}$

$= > r = 5 \times 7$

$= > r = 35$

now, diameter of the circle= 2× radius

so, diameter of circle= 2× 35

${\orange{\boxed{\boxed{\boxed{\pink{\underline{\underline{\green{\mathscr{diameter\:of\: circle\:=\:70}}}}}}}}}}$

now

Area of the circle = πr²

$= > area = \frac{22}{7} \times 35 \times 35$

$= > area = 3850 {m}^{2}$

$\tt\underline\pink{area\:of\:circle\:=\:3850m²}$