Geometry Flashcard 1-1

Front

What are collinear points?

Back

Collinear points are points that lie on the same straight line.

Front

Name an example of collinear points.

Back

HMNO, IKNO, MJOL, HNKI. (HNKI is an example of collinear points.)

Front

What are coplanar points?

Back

Coplanar points are points that lie on the same plane.

Front

Give an example of coplanar points.

Back

A, F, E are coplanar points.

Front

How do you find the distance between two points?

Back

Use the distance formula: d = √((x2 - x1)² + (y2 - y1)²).

Front

Calculate the distance between the points (3, 4) and (7, 1).

Back

The distance is 5.

Front

What is the distance between the points (-4, 5) and (7, 18)?

Back

The distance is 17.03.

Front

What is the midpoint formula?

Back

The midpoint M between two points (x1, y1) and (x2, y2) is M = ((x1 + x2)/2, (y1 + y2)/2).

Front

Find the midpoint between (3, -1) and (7, -5).

Back

The midpoint is (5, -3).

Front

What is the definition of a line segment?

Back

A line segment is a part of a line that is bounded by two distinct endpoints.