Imagination is more important than knowledge... Albert Einstein

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

Problem Num : 21 Type: Understanding Section:Area  Theme:None Adjustment# : 20 Difficulty: 1
Category	Area and circumference of a circle
Analysis
Solution/Answer	Answer:

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Problem Num : 22 Type: None Section:Area  Theme:None Adjustment# : 23 Difficulty: 1
Category	Area and circumference of a circle
Analysis	Need to draw some pictures.
Solution/Answer	Answer:

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Problem Num : 23 Type: None Section:Area  Theme:None Adjustment# : 25 Difficulty: 1
Category	Area and circumference of a circle
Analysis	counting questions.
Solution/Answer	Answer:

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Array ( [0] => 5729 [1] => 5036 [2] => 5243 ) 231  2  3