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Find the area and the perimeter of the shaded regions below. Give your answer as a completely simplified exact value in terms of π (no approximations). The figures below are based on semicircles or quarter circles

 

 Jul 20, 2020
 #1
avatar+26767 
+1

Area of a quarter circle of radius 12          =     1/4  pi 12^2

    subtract the triangle area:        1/2 b h  =  1/2 12 x 12

 

 

perimeter =  hypotenuse of right triangle with legs = 12 and 12             sqrt (122 + 122 )

            +  1/4  pi x d              d = diameter = 24

 Jul 20, 2020
edited by ElectricPavlov  Jul 20, 2020
edited by ElectricPavlov  Jul 20, 2020
 #2
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0

What do you not know?!?

 Jul 21, 2020
 #3
avatar+26767 
+1

How long  I will live..... will I fall off of the mountain I am climbing tomorrow?  (cloud peak WY USA)  Hope not.....but at least I will be smiling !!

cheekycheeky     I make a lot of mistakes...I learn from them all !  (If I survive)

ElectricPavlov  Jul 21, 2020
 #4
avatar+1326 
0

That question is for that guest who cannot solve that simple question.laugh 

Dragan  Jul 23, 2020
edited by Dragan  Jul 23, 2020

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