4.2. Congruent Figures http://www.ck12.org
Use the following diagram for questions 29 and 30.
- Mark the diagram with the following information. ST ||RA;SR||T A;ST⊥T AandSR;SAandRT are
perpendicularly bisect each other. - Using the given information and your markings, name all of the congruent triangles in the diagram.
Review Queue Answers
1.^6 B∼=^6 H,AB∼=GH,BC∼=HI
2.^6 C∼=^6 M,BC∼=LM
3. The angles add up to 180◦
( 5 x+ 2 )◦+( 4 x+ 3 )◦+( 3 x− 5 )◦= 180 ◦
12 x= 180 ◦
x= 15 ◦