2.3 Similar Triangles

Find side length X.

• 30
• 25
• 15
• 40

Are the triangles similar?

• Yes
• No

Determine whether the triangles are similar.

• Similar- There are two pair of congruent angles; they both have a 90 degree angle and a vertical angle.

• Not Similar- There are two pair of congruent angles; they both have a 90 degree angle and a vertical angle.

• Similar- There are not two pair of congruent angles

• Not Similar- They are two pair of congruent angles

Are the triangles similar?

• Yes
• No

Are the triangles similar?

• Yes
• No

If the two triangles are similar, what is the measurement of x?

• 16

• 18

• 2.4

• 15

Tell whether the triangles are similar. Explain.

• Yes

• No

Are the triangles similar?

• Yes
• No

The measure of angle A (the right angle) is ______ degrees

• 180

• 90

• 45

• 30