Show:
Types of Angles
Triangles by Side Length
Midsegments
Angle Relationships
Using Pythagorean Theorem
100
This angle measures less than 90°.
What is an ACUTE angle?
100
A triangle with all three sides different.
What is a SCALENE TRIANGLE?
100

The segment that connects the midpoints to the two sides of a triangle. 

What is the midsegment?

100
Complementary angles have a sum of this measure.
What is 90°?
100

This is the type of triangle formed when the sides are 5, 5, 7.

What is an acute triangle?

200
A triangle with one angle measuring greater than 90°.
What is an OBTUSE TRIANGLE?
200
This type of triangle can have more than one name.
What is an EQUILATERAL TRIANGLE? (Can also be isosceles.)
200

If the midsegment of a triangle is 34...the third side is?

What is 68?

200
Supplementary angles have a sum of this measure.
What is 180°?
200

This is the type of triangle formed when the sides are 12 , 5, 13.

What is a right triangle?

300
Every triangle has this many degrees in the interior angles.
What is 180°?
300
True or False: A triangle with sides 5in, 7in, 3in can be constructed.
TRUE
300

The segment connecting the midpoints of two sides of a triangle is ____ to the third side and is ____ as long.

What is parallel and half?

300
The complement and supplement of 72° are these measures.
What are 18° and 108°?
300

This is the type of triangle formed when the sides are 12 , 4, 13.

What is an obtuse triangle?

400

The missing angle in a right triangle, with one other angle measuring 30°.

What is a 60° angle?

400
The possible side length if the two shorter sides are 2in and 4in.
What are sides less than 6in, but more than 2in?
400

If the midsegment of a triangle is 3x+3 and its parallel side is 4x+7, what is the value of x?

What is x=1/2?

400
The complement and supplement of 110° are these measures.
What is "Not possible" and 70°?
400

True or False: If c^2 < a^2 + b^2 than the triangle is an obtuse triangle.

What is false?

500
An isosceles triangle has one acute angle measuring 20°. The other two angles are congruent, because the triangle is isosceles.
What are 80° each?
500

This is the range of values for the third side of a triangle who has sides 20 and 45.

What is 25<x<65?

500

If the midsegment of a triangle is 3x+3 and its parallel side is 4x+7, what is the value of the third side?

What is 9?

500
The complement of this angle is 52° and the supplement is 142°.
What is 38°?
500

True or False: An acute triangle is formed when the sides of a triangle are 12 , 9, 13.

What is true?