Basics of Geometry
What is the term for a part of a line with two endpoints?
What is a line segment?
A statement in “if-then” form is called what?
What is a conditional statement?
What do you call lines that never intersect and are not coplanar?
What are skew lines?
What is the sum of the interior angles of a triangle?
What is 180 degrees?
State the Pythagorean Theorem.
What is a^2 + b^2 = c^2?
What is the formula to find the midpoint between (2, 3) and (4, 7)?
What is ((2+4)/2, (3+7)/2) or (3, 5)?
What do you call an example that disproves a conjecture?
What is a counterexample?
What is the slope of a line that passes through (1,2) and (3,6)?
What is (6-2)/(3-1) = 2?
Which triangle congruence postulate uses three sides?
What is SSS (Side-Side-Side)?
In a 45-45-90 triangle, if one leg is 6, what is the hypotenuse?
What is 6√2?
Classify this angle: 120 degrees.
What is an obtuse angle?
“If a = b and b = c, then a = c.” Name this property.
What is the transitive property?
True or False: Alternate interior angles are always congruent when lines are parallel.
What is True?
Name the triangle with two equal sides and two equal angles.
What is an isosceles triangle?
What is the sine ratio for an angle?
What is opposite over hypotenuse?
Name a polygon with six sides.
What is a hexagon?
In a two-column proof, what do you put in the right column?
What are the reasons?
What type of angles are on the same side of the transversal and inside the parallel lines?
What are consecutive (same side) interior angles?
Which transformation is a “slide” that does not change size or shape?
What is a translation?
What is the length of the missing side in a triangle with legs 9 and 12?
What is 15? (9^2 + 12^2 = 225, so c = 15)
What do you call a polygon with all sides and all angles equal
What is a regular polygon?
Write the contrapositive of “If it rains, then the ground is wet.”
What is “If the ground is not wet, then it does not rain”?
What is the equation of a line with slope 3 and y-intercept -4?
What is y = 3x - 4?
State the HL Congruence Theorem for right triangles.
What is “If the hypotenuse and one leg of a right triangle are congruent to the hypotenuse and leg of another right triangle, the triangles are congruent”?
A ladder is 10 feet long and forms a 60° angle with the ground. Which trig function would you use to find the height it reaches on the wall?
What is sine?