Vocab Group 4: Triangles

0.0(0)
Studied by 0 people
call kaiCall Kai
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/18

encourage image

There's no tags or description

Looks like no tags are added yet.

Last updated 11:58 AM on 8/5/26
Name
Mastery
Learn
Test
Matching
Spaced
Call with Kai
Chat

No analytics yet

Send a link to your students to track their progress

19 Terms

1
New cards

Acute triangle

a triangle with three acute angles

<p>a triangle with three acute angles</p>
2
New cards

Obtuse triangle

a triangle with one obtuse angle

<p>a triangle with one obtuse angle</p>
3
New cards

Right triangle

a triangle with one right angle

<p>a triangle with one right angle</p>
4
New cards

Scalene triangle

a triangle with no congruent sides

<p>a triangle with no congruent sides</p>
5
New cards

Equilateral triangle

A triangle with three congruent sides

<p>A triangle with three congruent sides</p>
6
New cards

Isosceles triangle

a triangle with at least two congruent sides

<p>a triangle with at least two congruent sides</p>
7
New cards

Vertex angle

The angle formed by the legs of an isosceles triangle.

<p>The angle formed by the legs of an isosceles triangle.</p>
8
New cards

Base angles

the two angles adjacent to the base

<p>the two angles adjacent to the base</p>
9
New cards

Base of an isosceles triangle

the side opposite the vertex angle

<p>the side opposite the vertex angle</p>
10
New cards

Legs of an isosceles triangle

the two congruent sides of an isosceles triangle

<p>the two congruent sides of an isosceles triangle</p>
11
New cards

Median of a triangle

a segment from a vertex to the midpoint of the opposite side

<p>a segment from a vertex to the midpoint of the opposite side</p>
12
New cards

Altitude of a triangle

a perpendicular segment from a vertex to the line containing the opposite side

<p>a perpendicular segment from a vertex to the line containing the opposite side</p>
13
New cards

Midsegment of a triangle

segment that connects the midpoints of two sides of a triangle

<p>segment that connects the midpoints of two sides of a triangle</p>
14
New cards

Incenter of a triangle

the point of concurrency of the angle bisectors of a triangle

<p>the point of concurrency of the angle bisectors of a triangle</p>
15
New cards

Circumcenter of a triangle

the point of concurrency of the perpendicular bisectors of a triangle

<p>the point of concurrency of the perpendicular bisectors of a triangle</p>
16
New cards

Orthocenter of a triangle

the point of concurrency of the three altitudes of a triangle

<p>the point of concurrency of the three altitudes of a triangle</p>
17
New cards

Exterior angle of a triangle

An angle that forms a linear pair with an angle of the triangle

<p>An angle that forms a linear pair with an angle of the triangle</p>
18
New cards

Adjacent interior angles

the angle of a polygon that forms a linear pair with a given exterior angle of a polygon

<p>the angle of a polygon that forms a linear pair with a given exterior angle of a polygon</p>
19
New cards

Remote interior angles

the angles of a triangle that are not adjacent to a given exterior angle

<p>the angles of a triangle that are not adjacent to a given exterior angle</p>