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stupidinmath
 one year ago
how can i find the perimeter of the shaded region? any formula for the arc?
stupidinmath
 one year ago
how can i find the perimeter of the shaded region? any formula for the arc?

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Andras
 one year ago
Best ResponseYou've already chosen the best response.1This is very similar to the last question you asked. Where do you get stuck?

stupidinmath
 one year ago
Best ResponseYou've already chosen the best response.0i'm confused if all forulas are same or not

Andras
 one year ago
Best ResponseYou've already chosen the best response.1I hope now you remember the formula for the perimeter of the circle

Abhishek619
 one year ago
Best ResponseYou've already chosen the best response.0make use of symmetry..it's helpful

stupidinmath
 one year ago
Best ResponseYou've already chosen the best response.0yep, pi(diameter)

Andras
 one year ago
Best ResponseYou've already chosen the best response.1Yep that is right. What fraction of the circle is the arc you have here?

Andras
 one year ago
Best ResponseYou've already chosen the best response.1The other 2 sides are just str8 lines

stupidinmath
 one year ago
Best ResponseYou've already chosen the best response.0yep.. which is equal to 20

Andras
 one year ago
Best ResponseYou've already chosen the best response.1Can you find the solution now? You have written all the necessary information down already

Andras
 one year ago
Best ResponseYou've already chosen the best response.1pi(diameter) is correct for the circle but get used to 2pi(radius), that is a more common notation

stupidinmath
 one year ago
Best ResponseYou've already chosen the best response.0should i use the formul.. l+ 2(pi)(r)(theta/360)?

stupidinmath
 one year ago
Best ResponseYou've already chosen the best response.0i mean l= 2(pi)(r)(theta/360)?

Andras
 one year ago
Best ResponseYou've already chosen the best response.1You do not need that. Just forget the above 2 lines.

Andras
 one year ago
Best ResponseYou've already chosen the best response.1You need the perimeter of the circle: 2pi(radius) and the fraction 1/4

stupidinmath
 one year ago
Best ResponseYou've already chosen the best response.0oh, just that? to get the arc length?

Andras
 one year ago
Best ResponseYou've already chosen the best response.1That arc length has 1/4 of the perimeter of a full circle

stupidinmath
 one year ago
Best ResponseYou've already chosen the best response.0my answer is.. 35.71.

stupidinmath
 one year ago
Best ResponseYou've already chosen the best response.0thank you so much:)
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