Ch. 5 - Relationships within Triangles Review for Test

Front

What is the measure of angle Y in a triangle if the other two angles are 40° and 60°?

Back

140°

Front

What is the point of concurrency where the perpendicular bisectors of a triangle intersect?

Back

Circumcenter

Front

In a triangle, where is the smallest angle located?

Back

Across from the smallest side.

Front

What is the point of concurrency where the angle bisectors of a triangle intersect?

Back

Incenter

Front

Given sides of a triangle, which of the following could be a possible length for segment AC if the other sides are 10 and 15?

Back

17

Front

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

Back

180°

Front

What is the relationship between the sides and angles in a triangle?

Back

The larger the angle, the longer the opposite side.

Front

What is the point of concurrency where the medians of a triangle intersect?

Back

Centroid

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height

Front

What is the relationship between the circumradius and the sides of a triangle?

Back

R = (abc)/(4 * Area) where R is the circumradius.