Unit 5 Test Triangles and Parallelograms

Front

If BA=5x+5 and AD=10x-20, find BD.

Back

BD = 60

Front

The diagonals of a parallelogram always ...

Back

bisect each other.

Front

If G is the centroid of triangle ABC and BE= 18. Find the length of BG.

Back

BG = 12

Front

P is the incenter of triangle JKL. Find NP.

Back

NP = 8

Front

If ABCD is a parallelogram, what is the length of BD?

Back

BD = 10

Front

What is a triangle?

Back

A polygon with three edges and three vertices.

Front

What is a parallelogram?

Back

A quadrilateral with opposite sides parallel and equal in length.

Front

What is the centroid of a triangle?

Back

The point where the three medians intersect.

Front

What is the incenter of a triangle?

Back

The point where the angle bisectors of a triangle intersect.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.