Use a straightedge. Draw a line. Draw an acute angle with vertex A along the line. Then use a compass to copy the angle. Place the compass point at another point B along the line and draw the copied angle so that the angle faces the original angle. Label the intersection of the angle sides as point C. Select the triangle you have formed. What is true about the two base angles of △ABC? What do you know about CA and CB? What kind of triangle did you form? Complete the explanation.

A g1distractor2 B g1distractor
C g1answer D g1distractor1

∠CAB ≅ , so opposite sides CA and are cong

Question

Use a straightedge. Draw a line. Draw an acute angle with vertex A along the line. Then use a compass to copy the angle. Place the compass point at another point B along the line and draw the copied angle so that the angle faces the original angle. Label the intersection of the angle sides as point C. Select the triangle you have formed. What is true about the two base angles of △ABC? What do you know about CA and CB? What kind of triangle did you form? Complete the explanation.
 
A 	g1distractor2	B 	g1distractor
C 	g1answer	D 	g1distractor1

 
∠CAB ≅ , so opposite sides CA and  are cong