Geometry Semester 1 Review Flashcard #3

Front

Solve for x: 2x + 5 = 19

Back

9

Front

Find the value of y: 3y - 4 = 32

Back

12

Front

What is the point of concurrency that is equidistant from all vertices of a triangle?

Back

Circumcenter

Front

Which point of concurrency is known as the center of gravity for a triangle?

Back

Centroid

Front

Find x: 5x - 12 = 88

Back

20

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height

Front

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

Back

180 degrees

Front

What is the Pythagorean theorem?

Back

a² + b² = c² (where c is the hypotenuse)

Front

What is the definition of a median in a triangle?

Back

A line segment from a vertex to the midpoint of the opposite side.

Front

What is the definition of an altitude in a triangle?

Back

A perpendicular segment from a vertex to the line containing the opposite side.