Angles
Triangles
Polygons
100

An angle that measure exactly 90 degrees is called a...

Right angle

100

A triangle that has one 90 degree angle is called....

A right triangle

100

A shape with three sides is called a...

Triangle

200

An angle that measures exactly 180 degrees is called a...

Straight Angle

200

A triangle when all three angles are acute is called...

An acute triangle

200

A polygon with five sides is called a...

Pentagon

300

Draw a picture of an acute angle

Needs to be less than 90 degrees

300

A triangle with an angle that measures more than 90 degrees is called an...

Obtuse triangle

300

A polygon that has six sides is called a...

hexagon

400

Draw a picture of an obtuse angle

Needs to be more than 90 degrees

400

Find the missing angle of a right triangle with a 45 degree angle.

45 degrees

400

A polygon with eight sides is called a...

octagon

500

How much should all the angles of a triangle add up to?

180 degrees

500

Solve for x in a right triangle with a 60 degree angle, where the missing angle 2x-10.

2x - 10 = 30

       2x = 40

         x = 40/2

         x = 20

500

A polygon with nine sides is called a...

Heptagon