Find Slope from Similar Triangles

Identify the slope of the black line. You can use the blue slope triangles to help you.

What is the slope of the line?

• 2

• 3

• 2/3

• 3/2

What is the slope of line A?

• 2

• 0.5

• 3

• 1

What is the slope of line B?

• 2

• 0.5

• 3

• 1

When given two similar triangles on the same line, they will ALWAYS have the same _______________?

• y-intercept

• x

• slope

• y

Triangles ABC and DEF are similar. The slope of triangle ABC is...

• which is the same as the slope of triangle DEF.

• 3/4 which is the slope of hypotenuse of triangle DEF.

• 4/3 which is the slope of triangle DEF.

• -1 which is the same as the slope of triangle DEF.

Triangles ABC and DCE are similar right triangles. Which proportion can be used to show that the slope of BC is equal to the slope of CE ?

• 
• 
• 
• 

Triangles RST and TUV are similar right triangles.

Which proportion can be used to show that the slope of RT is equal to the slope of TV?

• 
• 
• 
• 

Find the slope of the slide.

(if you get a fraction, use the / to write it)