Section 1

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vertex

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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (31)

Section 1

(31 cards)

vertex

Front

A point where two or more straight lines meet.

Back

right triangle

Front

a triangle with one right angle

Back

ASA

Front

angle side angle

Back

Reflexive Property

Front

a = a

Back

SAS

Front

side angle side

Back

circumfrence of a circle

Front

2πr

Back

Definition of Bisector

Front

a line or segment that intersects a segment or angle and divides it into two congruent halves

Back

isosceles triangle

Front

a triangle with at least two congruent sides

Back

obtuse triangle

Front

a triangle with one obtuse angle

Back

parallel

Front

A circle drawn around the globe parallel to the equator and at right angles to the meridians.

Back

Area of a circle

Front

A=πr²

Back

acute triangle

Front

A triangle with 3 acute angles

Back

slope formula

Front

(y₂- y₁) / (x₂- x₁)

Back

distance formula

Front

d = √[( x₂ - x₁)² + (y₂ - y₁)²]

Back

Hypotenuse

Front

The side opposite the right angle in a right triangle.

Back

SSS Postulate

Front

If three sides of one triangle are congruent to three sides of another triangle, then the triangles are congruent.

Back

AAS

Front

angle angle side

Back

Alternate Interior Angles Theorem

Front

If two parallel lines are cut by a transversal, then the pairs of alternate interior angles are congruent.

Back

HL

Front

hypotenuse leg

Back

skew lines

Front

Lines that do not intersect and are not coplanar

Back

equilateral triangle

Front

A triangle with three congruent sides

Back

adjacent

Front

near, next to, adjoining

Back

cpoctac

Front

corresponding parts of congruent triangles are congruent

Back

Area of a triangle

Front

A=1/2bh

Back

scalene triangle

Front

a triangle with no congruent sides

Back

slope-intercept form

Front

y=mx+b

Back

midpoint formula

Front

(x₁+x₂)/2, (y₁+y₂)/2

Back

exterior angle

Front

an angle formed by one side of a triangle and the extension of another side

Back

interior angles

Front

angles on the inside of parallel lines cut by a transversal

Back

Third Angles Theorem

Front

If 2 angles of one triangle are congruent to 2 angles of another triangle, then the 3rd angles are also congruent.

Back

Equalangular Triangle

Front

a triangle with congruent angles

Back