Classifying and Solving Triangles

Given its coordinates, classify ΔDEF by its sides

Given its coordinates, classify ΔJKL by its sides

Find the value of x

• 10

• 52

• 9

• 7

What is the value of the missing angle?

• 61

• 50

• 60

• 69

What is the measure of BC?

• 12

• 6

• 9

• 10

If W(-10, 4), X(-3, -1), and Y(-5, 11) classify AWXY by its sides. Show all work to justify your answer.

Which segments are the legs?

• Segment AB

• Segment BC

• Segment AC

Which angle is the vertex angle?

Which angles are the base angle?

Find the value of y.

• 5

• 10

• 15

• 20