Question

Find circumference when radius is 7 cm.​

Answer 1

Answer:

Circumference = 44 cm

Step-by-step explanation:

Given,

Radius = 7cm

We know that Circumference = 2πr

Then ,

Circumference ⇒ 2 × 22/7 × 7     { Taking π as 22/7}

⇒ 2 × 22

⇒ 44

∴ Circumference of a circle with radius of 7 cm is 44 cm.

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Answer 2

Answer:

∴ The circumference of a circle with radius 7 cm is $44$ cm.

Step-by-step explanation:

In context with question asked,

• We have to find the circumference when radius is 7 cm.​
• We know that "circle has a set of points at an equal distance from the center of a circle."
• Circumference of a circle is the outer boundary of the circle.
• The formula for circumference of a circle is given by,

       Circumference of a circle = $2\pi r$

                                            = $2 \times \frac{22}{7}\times7$

                                            = $2\times22$

                                            = $44$ cm.

• ∴ The circumference of a circle with radius 7 cm is $44$ cm.