faustinasingai faustinasingai
  • 30-12-2019
  • Mathematics
contestada

given that radius of a circle is 14 cm, find its circumference and area​

Respuesta :

r3t40
r3t40 r3t40
  • 30-12-2019

Let r denote radius.

To find circumference we use

[tex]C=2\pi r=28\pi\approx\boxed{87.92\mathrm{cm}}[/tex]

To find area we use

[tex]A=\pi r^2=196\pi\approx\boxed{615.44\mathrm{cm^2}}[/tex]

Hope this helps.

Answer Link
devishri1977
devishri1977 devishri1977
  • 30-12-2019

Answer:

Step-by-step explanation:

r = 14 cm

Circumference  = 2πr = 2*22 *14/7  = 2 * 22 * 2 = 88 cm

Area =πr² = 22 * 14 *14 /7 = 22 * 14 *2 = 616 sq.cm

Answer Link

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