Right Triangle
Vocabulary
Triangles
Polygons
Miscellaneous
100
The long side of a right triangle.
What is the hypotenuse?
100
A triangle with three angles each equal to less than 90 degrees.
What is an acute triangle?
100
Obtuse.
What is a triangle with one obtuse angle?
100
An eight sided plane figure.
What is an octagon?
100
Number of sides in a quadrilateral.
What is four?
200
HA Theorem?
What is Hypotenuse - Angle Theorem?
200
Angle bisector.
What is a ray that divides an angle into two congruent angles?
200
The sum of the angles in a triangle.
What is 180o?
200
Formula for the area of a square.
What is A = 4 X S.
200
The total number of degrees in the angles of a triangle.
What is 180o?
300
The Pythagorean Theorem formula.
What is a2 + b2 = c2?
300
The number of non-overlapping unit squares of a given size that will exactly cover the interior of a plane figure.
What is area?
300
a2 + b2 = c2.
What is the Pythagorean Theorem formula?
300
What is a heptagon?
300
The formula for finding the midpoint of a line between two points on a coordinate plane.
What is 
?
400
Area of a right triangle formula.
What is A = bh/2.
400
Having the same size and shape.
What is congruent?
400
SAS
What is the Side-Angle-Side Triangle Congruence Postulate?
400
A polygon with no congruent sides and angles and no sides are parallel.
What is an irregular polygon?
400
The value of x in the equation x + 5 = 3x - 55.
What is x = 30?
500
The measure of the Hypotenuse in a right triangle with legs of 6 feet and 8 feet.
What is 10 feet?
500
A polyhedron having 12 vertices, 30 edges, and 20 faces.
What is an icosahedron?
500
The area of a triangle having a base of 12 ft. and a height of 26 ft.
What is 156 ft2?
500
What is an irregular nonagon (nine-sided plane figure).
500
In the formula, (n-2)180o, used for finding the sum of the interior angles of a polygon, n represents this.
What is the number of sides of a polygon?