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1. 
What are the three types of triangles?
A.
obtuse
B.
equilateral, isosceles, scalene
C.
right-angled
D.
acute
2. 
What are the properties of an equilateral triangle?
A.
All three sides are equal in length.
B.
The sum of the angles is 180 degrees.
C.
Two sides are equal in length.
D.
All three angles are equal.
3. 
What are the properties of an isosceles triangle?
A.
An isosceles triangle has three sides of equal length.
B.
An isosceles triangle has three angles of equal measure.
C.
An isosceles triangle has one side of greater length than the other two sides.
D.
An isosceles triangle has two sides of equal length and two angles of equal measure.
4. 
What is the Pythagorean theorem?
A.
The Pythagorean theorem relates the lengths of the sides of a right triangle.
B.
The Pythagorean theorem is used to calculate the area of a circle.
C.
The Pythagorean theorem only applies to isosceles triangles.
D.
The Pythagorean theorem states that the sum of the angles in a triangle is always 180 degrees.
5. 
In a right triangle, which side is considered as the hypotenuse?
A.
The side opposite the obtuse angle
B.
The side opposite the acute angle
C.
The side opposite the right angle
D.
The side adjacent to the right angle