Geometry Flashcard Review

Front

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

Back

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

Front

Calculate the midpoint of the line segment with endpoints (1,1) and (9,9).

Back

(5,5)

Front

What is the distance formula between two points (x1, y1) and (x2, y2)?

Back

Distance = √((x2 - x1)² + (y2 - y1)²)

Front

Find the distance between the points (-3, -11) and (8, -42).

Back

32.9

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

If one side of a right triangle is 5 cm and the other is 12 cm, what is the length of the hypotenuse?

Back

13 cm

Front

What is the formula for the area of a triangle?

Back

Area = (1/2) * base * height

Front

Calculate the area of a triangle with a base of 10 cm and a height of 5 cm.

Back

25 cm²

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2 * (length + width)

Front

Find the perimeter of a rectangle with a length of 8 cm and a width of 3 cm.

Back

22 cm