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Help me: A circle has a diameter of 140 cm. Work out the circumference of the circle. Give your answer correct to 3 significant figures.
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3 votes
Help me: A circle has a diameter of 140 cm.

Work out the circumference of the circle.
Give your answer correct to 3 significant figures.

User Woogie
by
7.3k points

2 Answers

0 votes
Circumference =diameter * pi number

140*3.14= 439.6
User Myl
by
7.2k points
5 votes

Answer:

440cm (to 3 s.f.)

Explanation:

circumference= πd

= π×140

= 440cm (to 3 s.f.)

User Mojones
by
7.5k points
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