Math

Question 1

A segment is an____ if and only if it is perpendicular from a vertex of the triangle to the line that contains the opposite side.

Answer 1

altitude of a triangle

Question 2

A segment is a ___of a triangle if and only if its endpoints are a vertex and the midpoint of the opposite side.

Answer 2

median

Question 3

An ___ is a segment contained in the ray, which bisects the angle of the triangle, and whose endpoints are the vertex. angle and a point on the opposite side

Answer 3

angle bisector of a triangle

Question 4

An ___is a triangle in which all angles are acute.

Answer 4

acute triangle

Question 5

A____ is a triangle in which one of the angles is a right angle.

Answer 5

right triangle

Question 6

An ____ is a triangle in which one of the angles is obtuse

Answer 6

obtuse triangle

Question 7

An ___is a triangle in which all angles are congruent.

Answer 7

equiangular triangle

Question 8

A is a triangle with no congruent sides.

Answer 8

scalene triangle

Question 9

An is a triangle with at least two congruent sides.

Answer 9

isosceles triangle

Question 10

An is a triangle with all sides congruent.

Answer 10

equilateral triangle

Question 11

A polygon is ___if and only if at least one of its sides is contained in a line, which contains also points in the interior of the polygon..

Answer 11

nonconvex (concave)

Question 12

A ___ is a polygon that is both equilateral and equiangular.

Answer 12

regular polygon

Question 13

three sided polygon

Answer 13

triangle

Question 14

are two lines that intersect to form a right angle.

Answer 14

Perpendicular lines

Question 15

A ____is a closed figure such that the union of three or more coplanar segments, which intersect at endpoints, with each endpoint shared by exactly two noncollinear segment

Answer 15

polygon

Question 15

A___ PR of a line segment XZ is a line segment perpendicular to XZ and passing through the midpoint.

Answer 15

perpendicular bisector

Question 16

A polygon is ____if and only if the lines containing the sides of the polygon do not contain points in its its interior.

Answer 16

Convex

Question 17

share a common vertex and a common side, but do not overlap,

Answer 17

Adjacent angles

Question 18

Two angles are ___when the sum of their angles is 180°

Answer 18

supplementary

Question 19

A___ is formed when two lines intersect. Two angles are said to be linear if they are adjacent angles formed by two intersecting lines and are supplementary

Answer 19

linear pair of angles

Question 20

Opposite angles formed by two intersecting lines are ____

Answer 20

vertical angles.

Question 21

___ is a part of a line that has one endpoint and goes an infinitely in one direction

Answer 21

Ray

Question 22

An ___is the union of two noncollinear rays with a common endpoint.

Answer 22

angle

Question 23

Two angles are ____ if and only if their measures are equal.

Answer 23

congruent

Question 24

An _____is an angle with a measure greater than 0° but less than 90°.

Answer 24

acute angle

Question 25

A____ is an angle with a measure of 90°

Answer 25

right angle

Question 26

An ___ is an angle with a measure greater than 90° but less than 180°

Answer 26

obtuse angle