Angles Practice Test
Chapter
Chapter 7
Section
Angles Practice Test
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Solutions 12 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°

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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°

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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

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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

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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

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Q5

Find the measure of the unknown angle in these diagrams.

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Q6a

Find the measure of the unknown angle in these diagrams.

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Q6b

Find the measure of the unknown angle in these diagrams.

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Q6c

Find the measure of the unknown angle in these diagrams.

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Q6d

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

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Q9

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

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Q10