Terms in this set (100)Q&A Honors Geometry Final Exam Questions And Answers Actual Solutions 30* - 60* - 90* triangle theorem - in a 30* - 60* - 90* triangle, the hypotenuse is twice as long as the shorter leg which is the square root of 3 times as long as the shorter leg
Terms in this set (100)Q&A 45* - 45* - 90* triangle theorem - in a 45*- 45* - 90* triangle, the hypotenuse is the square root of two times as long as each leg acute centroid - inside the triangle acute incetner - inside the triangle acute orthocenter - inside the triangle acute triangle - has 3 acute angles alternate exterior angles - angles that lie outside the 2 lines and on opposite sides of the transversal alternate interior angles - angles that lie between the 2 lines and on opposite sides of the transversal altitude - the perpendicular segment from a vertex to the opposite side or to the line that contains the opposite side angle bisector - a ray that divides an angle into 2 angles that are congruent
Terms in this set (100)Q&A angle of depression - when looking down at an object, the angle your line of sight makes with a horizontal line angle of elevation - when looking up at an object, the angle your line of sight makes with a horizontal line angles inside the circle theorem - if two chords intersect inside a circle, then the measure of each angle is one half the sum of the measures of the arcs intercepted by the angle and its vertical angle area of a circle - pi times the square of the radius area of a kite - one half the product of the lengths of its diagonals area of a parallelogram - the product of a base and its corresponding height area of a rectangle - the product of a base and its height area of a rhombus - one half the product of the lengths of its diagonals area of a sector - the ratio of the area of a sector of a cricel to the area of the whole circle (pir2) is equal to the measure of the intercepted arc to 360*
Terms in this set (100)Q&A area of a trapezoid - one half the product of the height and the sum of the lengths of the bases area of a triangle - one half the product of a base and its corresponding height biconditional statement - statement that contains the phrase "if and only if"
(TRUE)
central angle - angle whose vertex is the center of the circle centroid - the point of concurrrency (MEDIAN) of the three medians of a triangle circle and chord congruence theorem - in the same circle, or in congruent circles, two minor arec are congruent iff their corresponding chords are congruent circle and perpendicular bisector congruence theorem - if one chord is a perpendicular bisector of another chord then the first chord is a diameter circumference of a circle - the circumference (C) of a circle is c = (pi)(d) or c = 2(pi)r