Slide 2:
Right Angle
Acute Angle
Obtuse Angle
Straight Angle
Slide 3:
Right Angle
- any angle whose measure is exactly
90 degrees.
Slide 4:
Image: 'From the skies above...'
www.flickr.com/photos/40955206@N00/137067985 Acute Angle
An angle whose measure is
less than 90 degrees.
Slide 5:
Obtuse Angle
An angle whose measure is
between 90 and 180 degrees.
Slide 6:
Image: 'walkin9...good for health'
www.flickr.com/photos/14448739@N00/276945493 Straight Angle
An angle whose measure
is exactly 180 degrees.
Slide 7:
Vertical Angles - Angles opposite each other.
- Have equal measures. Angle A = 135 degrees
Angle B =
Slide 8:
Complementary Angles - Two angles whose sum
of their measures is 90 degrees.
Slide 9:
Supplementary Angles - Two angles whose sum of their measures is 180 degrees.