Angles Practice Test
Chapter
Chapter 7
Section
Angles Practice Test
Solutions 14 Videos

If an isosceles triangle has two exterior angles that each measure 110°, the measure of the third exterior angle is

A 70°

B 120°

C 140°

D 250°

Q1

In \triangle ABC, the interior angle at A is 51° and the exterior angle at B is 119°. The interior angle at C measures

A 51°

B 68°

C 90°

D 39°

Q2

The sum of the exterior angles of a convex polygon

A is always 180°

B is always 360°

C is always 720°

D depends on the number of sides

Q3

The area of \triangle ADE is A half the area of \triangle ABC

B one third the area of \triangle ABC

C half the area of trapezoid DBCE

D one third the area of trapezoid DBCE

Q4
1. The diagonals of a rectangle

A are perpendicular to each other

B bisect each other

C bisect each other and are perpendicular to each other

D bisect the interior angles

Q5

Find the measure of the unknown angle in these diagrams. Q6a

Find the measure of the unknown angle in these diagrams. Q6b

Find the measure of the unknown angle in these diagrams. Q6c

Find the measure of the unknown angle in these diagrams. Q6d

Find the sum of the interior angles of a 14-sided polygon.

The sum of the interior angles of a polygon is 2340^o. How many sides does th polygon have? 