Geometry EOC Review 1

Front

What is the formula for the area of a circle?

Back

A = πr², where r is the radius.

Front

How do you find the midpoint of a line segment with endpoints (x1, y1) and (x2, y2)?

Back

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

Front

What is the relationship between the slopes of parallel lines?

Back

Parallel lines have the same slope.

Front

What is the relationship between the slopes of perpendicular lines?

Back

The slopes of perpendicular lines are negative reciprocals of each other.

Front

How do you calculate the probability of a point being within a certain distance from the center of a circle?

Back

Probability = Area of smaller circle / Area of larger circle.

Front

What is the equation of a line in slope-intercept form?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

How do you determine the slope from two points (x1, y1) and (x2, y2)?

Back

Slope m = (y2 - y1) / (x2 - x1).

Front

What is the formula for the circumference of a circle?

Back

C = 2πr, where r is the radius.

Front

What is the definition of an arc in a circle?

Back

An arc is a portion of the circumference of a circle.

Front

How do you find the measure of an arc given the central angle?

Back

The measure of the arc is equal to the measure of the central angle.