Geometry Review All Year

This is what kind of angle?

• obtuse

• right

• straight

• acute

Enlargement or reduction?  Find the scale factor!

• It's a reduction; the scale factor is 2.

• It's an enlargement; the scale factor is 2.

• It's an enlargement; the scale factor is 1/2.

• It's a reduction; the scale factor is 1/2.

The example from the video is shown. What was used to find AF?

• The Pythagorean Theorem (a²+b²=c²)

• Triangle Sum Theorem (triangle = 180)

• Definition of bisector

• Trig (SOH-CAH-TOA)

What is the largest angle in this triangle?

• C

• A

• BA

• AC

What additional information is required for the 2 triangles to be congruent by SSS?

• A

• B

• C

• D

The triangles are similar, solve for the question mark.

• 8

• 12.5

• 18

• 24

Opposite angles in an "X".

• Vertical

• Adjacent

• Complementary

• Supplementary

Angles in the same plane with a common vertex & a common side, but no common interior points.

• Vertical

• Complementary

• Adjacent

• Suplementary

Angles whose measure sum up to 180 degrees.

• Vertical

• Adjacent

• Complementary

• Supplementary

An angle whose measure is exactly 90 degrees.

• acute

• vertical

• right

• straight