clararife80 clararife80
  • 10-04-2019
  • Mathematics
contestada

what is the area of a sector MVP in terms of pi if there is a 140° and a radius of 6m?

Respuesta :

calculista
calculista calculista
  • 23-04-2019

Answer:

The area of a sector MVP is [tex]14\pi \ m^{2}[/tex]

Step-by-step explanation:

step 1

Find the area of the circle

The area of the circle is equal to

[tex]A=\pi r^{2}[/tex]

we have

[tex]r=6\ m[/tex]

substitute

[tex]A=\pi (6)^{2}=36 \pi\ m^{2}[/tex]

step 2

we know that

The area of the complete circle subtends a central angle of 360 degrees

so

by proportion

Find the area of a sector for a central angle of 140 degrees

[tex]\frac{36 \pi}{360} =\frac{x}{140}\\ \\x=36\pi *140/360\\ \\x=14\pi \ m^{2}[/tex]

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