Perpendicular Lines and Angles

What slope is perpendicular to:  
m = 5/8

• -5/8

• 5/8

• -8/5

• 8/5

• Corresponding Angles
• Same-Side Interior Angles
• Alternate Interior Angles
• Alternate Exterior Angles

Find m∠SVW

• 84°

• 116°

• 74°

• 104°

Is line e perpendicular to line g?

• Yes, because line e is perpendicular to line f, and lines f and g are parallel.

• No, because while line e is perpendicular to line f, we don't have enough information to know lines f and g are parallel.

Through a given point, how many perpendiculars to a given line can be drawn?

• 1

• 2

• 3

• Not possible to draw

Perpendicular Lines have Slopes that are...

• the same

• opposite reciprocal

• both positive numbers

• both negative numbers

An angle whose measure is exactly 90 degrees.

• acute

• vertical

• right

• straight

Find the value of x.

• 31

• 61

• 91

• 1

What is the measure of ∠ABC?

• 25°

• 75°

• 108°

• 150°

Which is the correct way to state that these lines are perpendicular?

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