Exterior Angles and Polygon Properties

The video tutorial covers various geometry problems, including calculating the additional wax needed for a taller candle shaped as a right rectangular prism, understanding and calculating exterior angles of a triangle, exploring the sum of interior and exterior angles in polygons, and determining the number of sides in a regular polygon based on its exterior angle.

How much additional wax is needed to make a candle 5 cm taller if the base is 8 cm by 8 cm?

• 400 cubic centimeters

• 320 cubic centimeters

• 500 cubic centimeters

• 200 cubic centimeters

Tags

CCSS.8.G.A.5

If two angles of a triangle are 55 and 65 degrees, which of the following cannot be an exterior angle?

• 115 degrees

• 120 degrees

• 125 degrees

• 130 degrees

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

• 360 degrees

• 270 degrees

• 450 degrees

• 180 degrees

Tags

CCSS.8.G.A.5

What is the measure of angle x if it is an exterior angle to vertex B in a triangle with angles 60 and 25 degrees?

• 115 degrees

• 105 degrees

• 95 degrees

• 85 degrees

If an exterior angle of a regular polygon is 120 degrees, how many sides does the polygon have?

• 3 sides

• 6 sides

• 4 sides

• 5 sides