Geometry Concepts Quiz

What is the sum of the exterior angles of any polygon?

• 360 degrees

• 540 degrees

• 180 degrees

• 720 degrees

In a triangle, what is the sum of the interior angles?

• 360 degrees

• 270 degrees

• 180 degrees

• 90 degrees

If one angle of a triangle is 90 degrees, what type of triangle is it?

• Acute triangle

• Obtuse triangle

• Right triangle

• Equilateral triangle

How do you calculate the measure of an unknown angle in a triangle if the other two angles are known?

• Multiply the known angles

• Subtract the sum of the known angles from 180 degrees

• Divide the sum of the known angles by 2

• Add the known angles

What is the formula to find the sum of interior angles of a polygon with n sides?

• n * 180

• (n-2) * 180

• (n+2) * 180

• n * 360

What is the measure of each interior angle of a regular pentagon?

• 120 degrees

• 108 degrees

• 135 degrees

• 144 degrees

What is an inscribed angle in a circle?

• An angle formed by a tangent and a chord

• An angle formed by two tangents

• An angle formed by two chords

• An angle formed by two radii

How do you calculate the measure of an inscribed angle?

• It is half the measure of the intercepted arc

• It is equal to the measure of the intercepted arc

• It is twice the measure of the intercepted arc

• It is the same as the central angle

What is the measure of an arc if the inscribed angle is 36 degrees?

• 36 degrees

• 72 degrees

• 108 degrees

• 144 degrees

If a circle is divided into 5 equal arcs, what is the measure of each arc?

• 90 degrees

• 108 degrees

• 72 degrees

• 60 degrees