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

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Andras
 2 years 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
 2 years ago
Best ResponseYou've already chosen the best response.0i'm confused if all forulas are same or not

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

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

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

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

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

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

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

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

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

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

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

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