Imagination is more important than knowledge... Albert Einstein

                                                                                   Guess is more important than calculation --- Knowhowacademy.com

Problem Num : 1 Type: Topic:Area  Theme:None Adjustment# : Difficulty: 1
Category	Circle
Analysis	focus on radius
Solution/Hint

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Problem Num : 2 Type: Topic:Area  Theme:None Adjustment# : Difficulty: 1
Category	Circle
Analysis
Solution/Hint

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Problem Num : 3 Type: Topic:Area  Theme:None Adjustment# : Difficulty: 1
Category	Circle
Analysis
Solution/Hint

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Problem Num : 4 Type: Topic:Area  Theme:None Adjustment# : Difficulty: 1
Category	Circle
Analysis
Solution/Hint

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Problem Num : 5 Type: Topic:Area  Theme:None Adjustment# : Difficulty: 1
Category	Circle
Analysis	http://knowhowacademy.com/english_files/gmat/12th%20Review/problem%20solving/P175-02.gif
Solution/Hint

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Problem Num : 6 Type: Topic:Area  Theme:None Adjustment# : Difficulty: 1
Category	Circle
Analysis	r=10.... speed problem... but you can change it to ratio problem too..
Solution/Hint

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Problem Num : 7 Type: None Topic:Area  Theme:None Adjustment# : Difficulty: 1
Category	Circle
Analysis
Solution/Hint

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Problem Num : 8 Type: Mathematical Writing Topic:Area  Theme:None Adjustment# : 0 Difficulty: 600 level
Category	Circle
Analysis
Solution/Hint	(1) t-r /r = .15 and t-r =0.3 . so that 0.3/ r =0.15 which means r=2. (2) pi*t^2 - pi*r^2= pi(t^2 - r^2)=1.29 pi. t^2 - r^2=1.29

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