Unit 8 Review

Vocabulary

100

The tool used to measure angles

What is a protractor?

200

A shape that only has one set of parallel lines

What is a trapezoid? 

300

A line that splits a shape evenly in half

What is a line of symmetry?

400

A shape that has one set of perpendicular lines

What is a right triangle?

500

Angles in a square

What are 4 angles?

Angles

100

An angle less than 90^o

What is an acute angle?

200

An angle greater than 90^o

What is an obtuse angle?

300

A right angle

What is 90^o?

400

The classification of a 179^o angle

What is an obtuse angle?

500

The classification of a 45^o angle

What is a acute angle?

Lines

100

Types of lines that never cross

What are parallel lines?

200

Intersectory lines cross at 

What is any angle other than 90^o?

300

Perpendicular lines cross at 

What are 90^o angles?

400

Rays have a _________

What is a starting point and no end point?

500

Segments have _______

What is a start and end point?

Symmetry

100

A line of symmetry that splits a shape evenly from side to side

What is a horizontal line of symmetry?

200

A line of symmetry that splits a shape evenly from top to bottom

What is a vertical line of symmetry?

300

The line of symmetry that goes from corner to corner

What is a diagonal line of symmetry?

400

If something is symmetrical, it is the _________

What is the same?

500

A heart has a _______ line of symmetry

What is a vertical line of symmetry?

Calculations

100

The sum of two angles is 143^o. One angle is 43^o. Find the missing angle measurement.

What is 100^o?

200

The total angle measure of 17^o and 94^o 

What is 111^o?

300

The total angle measure for 21^o and 148^o

What is 169^o?

400

The sum of two angles is 97^o. One angle is 13^o. Find the missing angle measurement.

What is 84^o?

500

The total degrees of a circle?

What is 360^o?