A polygon is a ______ if no line that contains a side of the polygon contains a point in the interior of a polygon.
What is convex?
100
An equation that equates two ratios is a _________.
What is proportion?
100
Two lines are ________ lines if they are coplanar and do not intersect.
What is parallel?
100
Each of three points joining the sides of a triangle is a ______.
What is vertex?
100
A circle is the set of all points in a plane that are equidistant from a given point, called the ______.
What is center?
200
A polygon is ___________ if all of its sides are congruent.
What is equilateral?
200
Solve the proportion.
2 / x = 3 / 9
What is x = 6?
2 / x = 3 / 9
9(2) = x(3)
18 = 3x
6 = x
200
Lines that do not intersect and are not coplanar are called ____ lines.
What is skew?
200
Ina triangle, two sides sharing a common vertex are ________ sides.
What is adjacent?
200
The distance from the center to a point ona circle is the ______ of the circle.
What is radius?
300
If one base of a trapezoid is 6 inches and the other base is 4 inches, what is the midsegment?
What is 5 inches?
1/2 (6+4) = 5 inches
300
Which theorem is this? "If the lengths of the corresponding sides of two triangles are proportional, then the trianlges are similar."
What is Theorem 8.2 Side-Side-Side (SSS) Similarity Theorem?
300
A ________ is a line that intersects two or more coplanar lines at different points.
What is transversal?
300
What are four theorems/postulate to prove triangles are congruent.
What is SSS, SAS, ASA, and AAS?
300
Two circles are _________ if they have the same radius.
What is congruent?
400
If a quadrilateral is a kite, then the _________ are perpendicular.
What is diagonals?
400
Which theorem is this? "If an angle of one triangle is congruent to an angle of a second triangle and the lengths of the sides including these angles are proportional, then the triangles are similar.
What is Theorem 8.3 Side-Angle-Side (SAS) Similarity Theorem?
400
Are the lines perpendicular?
Line h:y = 3/4x + 2
Line j: y = -4/3 - 3
What is yes?
The slope of line h is 3/4 and the slope of line j is -3/4.
The product of 3/4 and -3/4 is -1, so the lines are perpendicular.
400
Theorem 4.6 Base Angles Theorem
If two sides of a triangle are congruent, then the angles ________ them are congruent.
What is opposite?
400
A _______ is a line in a plane of a circlce that intersects the circle in exactly one point.
What is tangent.
500
If a quadrilateral is kite, then exactly one pair of ________ ________ are congruent.
What is opposite angles?
500
Solve the proportion.
(2x + 1) / 2 = (x + 2) / 5
What is x = -1/8?
(2x + 1) / 2 = (x + 2) / 5
5(2x + 1) = 2(x + 2)
10x + 5 = 2x + 4
8x = –1
x = –1/8
500
If two sides of two adjacent acute angles are perpendicular, then the angles are _________.
What is complementary?
500
Which theorem is this? "If two angles of a triangle are congruent, then the opposite them are congruent."
What is Theorem 4.7 Converse of the Base Angles t Theorem?
500
A _______ is a segment whose endpoints are points on the circle.