Four Circles Coungruent w / a small circle between the two?
OK, so there are four congruent circles that are tangent to each other. A small circle is among the top four. I need to find the small area. The sum of the space of four circles is 64pi. Here is a photo. I http://s283.photobucket.com/albums/kk292/brajan8632_2008/?action=view¤t=DSC01489.jpg theorom Pythagoras and was able to get this comic is 8 ^ 2. I knew then that BD has 2 shelves and the diameter of the circle, so that I can say the diameter of the circle = 8root2 – 8. So the radio is 4root2 – 4. By Thus, the area of the circle is 48pi – 32ft root2. I'm afraid my solution is full of holes, so we can reassure you that right or I may need to add More evidence and explain the evidence? I think I might need to test is a right triangle BCD before applying theorom. But I can not prove. How the hell of the four congruent circles form a square. Is it because its tangent? Explain in depth.
BD = √ (8 ² + 8 ²) = 8 √ 2 = √ eight small diameter circle small circle of radius 2-8 = 4 2-4 Area = Π √ (4 √ 2-4) ² = π (48-32 √ 2) units ² You're right! I think there is no need to show that BCD is a right triangle. As the four large circles are congruent, you can see that ABCD is actually a square.
Cressi Start BCD – www.simplyscuba.com
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