Triangle Properties and Angle Relationships

The video tutorial explains how to list the sides and angles of triangles in order from smallest to largest. It covers several examples, including triangles DEF, STU, XYZ, ABC, and PQR. For each triangle, the instructor demonstrates how to identify the smallest side and its corresponding angle, then proceeds to the next smallest side and angle, and so on. The tutorial emphasizes the relationship between the sides and angles of a triangle, providing a step-by-step approach to understanding this geometric concept.

What is the first step in listing sides and angles in order?

• Find the area

• Calculate the perimeter

• List sides first

• List angles first

In the first triangle example, which side is the smallest?

• FE

• ED

• DF

• EG

Which angle corresponds to the smallest side in the first triangle example?

• Angle D

• Angle G

• Angle E

• Angle F

In the second triangle example, what is the largest angle?

• Angle R

• Angle S

• Angle U

• Angle T

Which side is opposite to the largest angle in the second triangle example?

• ST

• TS

• TR

• RS

In the third triangle example, which angle is the smallest?

• Angle W

• Angle Z

• Angle Y

• Angle X

What is the side opposite to the smallest angle in the third triangle example?

• XY

• YZ

• XZ

• YW

How do you calculate the missing angle in the fourth triangle example?

• Add all angles

• Subtract from 180

• Multiply angles

• Subtract from 90

In the fourth triangle example, what is the largest angle?

• Angle L

• Angle M

• Angle J

• Angle K

In the fifth triangle example, which side is opposite to angle B?

• CA

• BC

• AB

• CB