Imagination is more important than knowledge... Albert Einstein

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

Problem Num : 21 Type: None Section:Angle  Theme:None Adjustment# : 17 Difficulty: 2
Category	Triangle, Cirlce related
Analysis	Trapezoid means that two lines are parallel so that you can move the angle.
Solution/Answer	Answer: k

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Problem Num : 22 Type: None Section:Angle  Theme:None Adjustment# : 18 Difficulty: 1
Category	Triangle, Cirlce related
Analysis	Different Ideas ... Different approach.
Solution/Answer	1) 3*180 -40= 2) 360 +140= Answer: D

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Problem Num : 23 Type: None Section:Angle  Theme:None Adjustment# : 19 Difficulty: 2
Category	Triangle, Cirlce related
Analysis	How can you use the relationship?
Solution/Answer	Answer: C

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Problem Num : 24 Type: None Section:Angle  Theme:None Adjustment# : 20 Difficulty: 2
Category	Triangle, Cirlce related
Analysis	Can you see two congruent triangles? Can you see the right angle? why?
Solution/Answer	Answer: B

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Problem Num : 25 Type: None Section:Angle  Theme:None Adjustment# : 21 Difficulty: 2
Category	Triangle, Cirlce related
Analysis	Can you see the similar triangles? Then use the fact.
Solution/Answer	Answer: F

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Problem Num : 26 Type: None Section:Angle  Theme:None Adjustment# : 22 Difficulty: 3
Category	Triangle, Cirlce related
Analysis	Draw another picture your own. This is about similar triangle.
Solution/Answer	Answer: F

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Problem Num : 27 Type: None Section:Angle  Theme:None Adjustment# : 23 Difficulty: 3
Category	Triangle, Cirlce related
Analysis	there are two congruent triangles.
Solution/Answer	Answer: E

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Problem Num : 28 Type: None Section:Angle  Theme:None Adjustment# : 23 Difficulty: 3
Category	Triangle, Cirlce related
Analysis	Can you see two congruent triangles?
Solution/Answer	Answer: d

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Problem Num : 29 Type: None Section:Angle  Theme:None Adjustment# : 29 Difficulty: 3
Category	Triangle, Cirlce related
Analysis	Need to use congruent!
Solution/Answer	Answer: G

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Array ( [0] => 5497 [1] => 5851 [2] => 5398 [3] => 5690 [4] => 5424 [5] => 5341 [6] => 5258 [7] => 5092 [8] => 5431 ) 291  2  3