What’ s Your Type? The Same Old Thing X Marks the Spot Prove It!Short Cuts How’s Your Memory? 400 500 100 200 300 100 200 300 400 500 100 200 300 400.

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Presentation transcript:

What’ s Your Type? The Same Old Thing X Marks the Spot Prove It!Short Cuts How’s Your Memory?

What’s your type?

30° 120° 30° √ 

Sum of two nonadjacent interior angles √ 

Triangle with two legs and a base √ 

Triangle with two 40° angles √ 

Triangle with sides 3 cm, 4 cm and 5 cm. √ 

Triangle that is always acute √ 

√  m  A = 6x + 11 m  B = 3x + 2 m  C = 5x - 1

The Same Old Thing √ 

Name the congruent figures √  P S Q R

√  A B C D

√  D C B A W X Y Z

Name the congruent triangles √  N S L KQR M

Name the congruent figures √  P S Q R T

Name the congruent triangles √  A D C B

√  M N O P Q

X marks the spot √ 

Find the value of x √  MP H G J N 142  24  (2x - 5)   M   G  N   H

Find the value of x √  3x (2x + 11)  (8x + 5) 

Find the value of x √  34  56  45  x

Find the value of x √  (7x + 1)  38  (10x + 9) 

Find the value of x √  60  xx

Find the value of x and y √  x°x° y°y° 50°

Find the value of x and y √  x°x° y°y° 50°

Prove it! √ 

√  State the third congruence that must be given to prove triangles congruent. Given: DE  MN  M  D Prove:  DEF   MNO Method: SAS

√  State the third congruence that must be given to prove triangles congruent. Given: FE  ON  F  O Prove:  DEF   MNO Method: AAS

√  State the third congruence that must be given to prove triangles congruent. Given: DF  MO  F  O Prove:  DEF   MNO Method: ASA

√  State the third congruence that must be given to prove triangles congruent. Given:  A   X  B   Y Prove:  ABC   XYZ Method: AAS

√  State the third congruence that must be given to prove triangles congruent. Given:  A   X AB  XY Prove:  ABC   XYZ Method: ASA

√  State the third congruence that must be given to prove triangles congruent. Given:  C   Z BC  YZ Prove:  ABC   XYZ Method: AAS

√  State the third congruence that must be given to prove triangles congruent. Given:  D  M  F  O Prove:  DEF   MNO Method: ASA

Shortcuts √ 

√  Name the congruence method or none

√ 

√ 

√ 

√  V Z W U XY VY  WX XV  YW  VXY   WYX

√  Name the congruence method or none V Z W U XY VZ  ZW V BISECTS XZ W BISECTS ZY  ZVY   ZWX

√  M N O P Q Name the congruence method or none  MOQ   PNQ

√  How’s Your Memory?

√  If two angles form a linear pair

√  If two lines are perpendicular then their slopes

√  The acute angles of a right triangle

√  If two angles of a triangle are congruent

√  If two sides of two adjacent acute angles are perpendicular

√  If two angles are supplementary to the same angle

√  If there is a line and a point not on the line