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use pi=3.14 to find the circumference of each circle.​

Use Pi314 To Find The Circumference Of Each Circle class=

Sagot :

Circumference

1. 2 × 3.14 × 12 = 75.36cm

2. 2 × 3.14 × 10 = 62.8cm

3. 3.14 × 2.5 = 7.85in

4. 3.14 × 270 = 847.8mm

5. 2 × 3.14 × 0.6 = 3.768in

Answer:

1.

Given:

  • r = 12 cm
  • π = 3.14

Formula:

  • C = 2πr

Solution:

  • C = 2πr
  • C = 2(3.14)(12 cm)
  • C = 2(37.68 cm)
  • C = 75.36 cm

2.

Given:

  • r = 2.5 in
  • π = 3.14

Formula:

  • C = πd

Solution:

  • C = πd
  • C = (3.14)(2.5 in)
  • C = 7.85 in

3.

Given:

  • r = 10 cm
  • π = 3.14

Formula:

  • C = 2πr

Solution:

  • C = 2πr
  • C = 2(3.14)(10 cm)
  • C = 2(31.4 cm)
  • C = 62.8 cm

4.

Given:

  • r = 270 mm
  • π = 3.14

Formula:

  • C = πd

Solution:

  • C = πd
  • C = (3.14)(270 mm)
  • C = 847.8 mm

5.

Given:

  • r = 0.6 in
  • π = 3.14

Formula:

  • C = 2πr

Solution:

  • C = 2πr
  • C = 2(3.14)(0.6 in)
  • C = 2(1.884 in)
  • C = 3.768 in

I hope it helps :).

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