classifying angles

Use the protractor to measure triangle A's angles. What did you observe?

Use the ruler to measure the three sides of the triangle. What do you observe?

How can you classify triangle A? Why?

Measure the angles and sides of triangle B. What do you observe? Based on your observations, how would you classify triangle B?

Measure the angles and sides of triangle C. What do you observe? Based on your observations, how would you classify triangle C?

Measure the angles and sides of triangle D. What do you observe? Based on your observations, how would you classify triangle D?

Measure the angles and sides of triangle G. What do you observe? Based on your observations, how would you classify triangle G?