Question

Find the circumference of circles with the following diameters . a)6.9cm​

Answer 1

Answer:

21.666

Step-by-step explanation:

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Answer 2

Answer:

Circumference = 21.685cm

Step-by-step explanation:

Given-

• A) Diameter=6.9 cm

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To Find-

• Circumference.

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Solution -

$\hookrightarrow$Formula To be Used-

$\underline{\boxed{\sf\purple{Perimeter_{(circle)} = π×diameter}}}$

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$\hookrightarrow$Answer -

$= \frac{22}{7} \times \frac{69}{10} \\ \\ = \frac{11}{7} \times \frac{69}{5} \\ \\ = \frac{759}{35} \\ \\ = 21.685 \: cm$

$\blue\bigstar$So, Circumference is 21.685cm