Geometry EOC Review 1

Front

What is the midpoint of a line segment with endpoints (x1, y1) and (x2, y2)?

Back

The midpoint is given by the formula: ((x1 + x2)/2, (y1 + y2)/2).

Front

What is the midpoint of the segment with endpoints (1, 9) and (-3, 5)?

Back

(-1, 7)

Front

What is the midpoint of line segment BC with endpoints (1, 2) and (2, 1)?

Back

(1, 1.5)

Front

What is the slope of a line?

Back

The slope (m) is defined as the change in y divided by the change in x (m = (y2 - y1)/(x2 - x1)).

Front

What are the slopes of parallel lines?

Back

The slopes of parallel lines are the same.

Front

What are the slopes of perpendicular lines?

Back

The slopes of perpendicular lines are opposite reciprocals.

Front

How do you find the missing length in a right triangle?

Back

Use the Pythagorean theorem: a² + b² = c², where c is the hypotenuse.

Front

What is the sum of the interior angles of a triangle?

Back

The sum of the interior angles of a triangle is always 180 degrees.

Front

How do you calculate the size of a missing angle in a triangle?

Back

Subtract the sum of the known angles from 180 degrees.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.