Basic Geometry Review

Oscar draws two lines on his paper. The lines are always one inch apart and do not intersect. ​ (a)   can be used to name what Oscar drew.

• Parallel

• Right

• Obtuse

• Perpendicular

• Intersecting

Answer explanation

Oscar drew two lines that are always one inch apart and do not intersect, which means they are parallel to each other.

Tags

CCSS.HSG.CO.A.1

Which statement about a pentagon is true?

• It must have parallel sides.

• It must have more vertices than sides.

• It must have no right angles.

• It must have 5 sides.

Answer explanation

The correct statement about a pentagon is that it must have 5 sides.

Tags

CCSS.2.G.A.1

Vertical Angles are...

• complementary

• supplementary

• congruent

• none of these

Answer explanation

Vertical angles are congruent, meaning they have the same measure. Therefore, the correct choice is 'congruent'.

Tags

CCSS.7.G.B.5

The interior angles of a triangle add to (a)   degrees.

Tags

CCSS.8.G.A.5

An angle bisector cuts and angle into two pieces that are NOT congruent.

• True

• False

Answer explanation

The statement is false because an angle bisector divides an angle into two congruent angles.

Tags

CCSS.HSG.CO.C.9

What type of angles are highlighted above?

• Alternate Exterior Angles

• Consecutive Interior Angles

• Corresponding Angles

• Alternate Interior Angles

Answer explanation

The highlighted angles are Alternate Interior Angles because they are on opposite sides of the transversal and inside the parallel lines.

Tags

CCSS.8.G.A.5

What is an "Acute" Angle

• Angle that measures 180

• An Angle that measure 90

• An angle that measures more than 90

• An angle that measures less than 90

Answer explanation

An acute angle is an angle that measures less than 90 degrees, making it the correct choice among the options provided.

Tags

CCSS.4.G.A.1

Angles whose measure sum up to 180 degrees.

• Vertical

• Adjacent

• Complementary

• Supplementary

Answer explanation

Supplementary angles are angles whose measures sum up to 180 degrees, making them the correct choice in this case.

Tags

CCSS.7.G.B.5

 What is the name of this polygon?

• a pentagon

• a quadrilateral

• an octagon

• a triangle

Answer explanation

The name of this polygon is an octagon because it has eight sides.

Tags

CCSS.2.G.A.1

Which is a pair of corresponding angle?

• Angle 1 & Angle 4

• Angle 2 & Angle 7

• Angle 8 & Angle 6

• Angle 3 and Angle 5

Answer explanation

Angle 8 & Angle 6 are a pair of corresponding angles because they are in the same relative position at the intersection of two lines being crossed by a transversal.

Tags

CCSS.8.G.A.5