Unit 1 Tools of Geometry Review

Front

If RT=36, find the value of x.

Back

4

Front

Find the y-coordinate of the midpoint of the line.

Back

2

Front

If DF=9x-39, find EF.

Back

58

Front

How many points do you need to make a line?

Back

at least 2

Front

An intersection is the point where 2 lines cross each other?

Back

true

Front

What is the definition of a point in geometry?

Back

A point is a location in space that has no size or dimension.

Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints.

Front

What is the formula for finding the midpoint of a line segment?

Back

Midpoint = ((x1 + x2)/2, (y1 + y2)/2)

Front

What is the definition of a ray in geometry?

Back

A ray is a part of a line that starts at a point and extends infinitely in one direction.

Front

What is the difference between acute, obtuse, and right angles?

Back

Acute angles are less than 90°, right angles are exactly 90°, and obtuse angles are greater than 90°.