Congruent Triangles – Card Match In this activity students work individually or in groups to match questions and answers. ‘Quick Cut’ – Choose the questions/slides you wish to use and delete others. Sets of questions can then be easily guillotined to save time.
Printing To print handouts from slides Select the slide from the left. Then click: File > Print > ‘Print Current Slide’ To print multiple slides Click on a section title to highlight all those slides, or press ‘Ctrl’ at the same time as selecting slides to highlight more than one. Then click: File > Print > ‘Print Selection’ To print double-sided handouts Highlight both slides before using ‘Print Selection’. Choose ‘Print on Both Sides’ and ‘Flip on Short Edge’.
SSS All sides the same SAS Angle between two sides ASA Two angles and a corresponding side RHS The hypotenuse of a right-angled triangle and a corresponding side.
Half Answers
Answers
7 cm 8 cm RHS RHS
4 cm 6 cm 4 cm RHS RHS
6 cm 8 cm 6 cm RHS RHS
5 cm 7 cm 6 cm Unknown Unknown
6 cm 40° 6 cm ASA ASA
5 cm 70° 80° 70° 5 cm ASA ASA
70° 80° 5 cm 70° 5 cm 80° ASA ASA
40° 70° 5 cm 70° 40° 5 cm Not Congruent Not Congruent
7 cm 40° 8 cm 40° 7 cm SAS SAS
5 cm 100° 5 cm SAS SAS
7 cm 30° 8 cm SAS SAS
7 cm 30° 8 cm 30° 7 cm Unknown Unknown
6 cm 4 cm 8 cm 6 cm 4 cm SSS SSS
4 cm 7 cm 8 cm 4 cm 8 cm 7 cm SSS SSS
6 cm 5 cm SSS SSS
5 cm 7 cm 8 cm 5 cm 9 cm 7 cm Not Congruent Not Congruent
Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths. co. uk