Vocab #11

21 terms · Review for Vocab Test #11: Lessons 56-60

obtuse triangle

A triangle whose largest angle measures more than 90 degrees

right triangle

A triangle whose largest angle measures 90 degrees

acute triangle

A triangle whose largest angle measures less than 90 degrees

certain

An event will definitely occur; a probability of 1

isosceles triangle

A triangle with at least two sides of equal length

equilateral triangle

A triangle in which all sides are the same length

vertex

Point of an angle, polygon, or solid where two or more lines or line segments meet

similar

Having the same shape, but not the same size

scalene triangle

A triangle with three sides of different lengths

impossible

An event will definitely not occur; a probability of 0

congruent

Same size and shape

parallel lines

Lines that stay the same distance apart -- they NEVER cross

chance

How likely it is for an event to happen written as a percentage

outcome

Any possible result of an experiment

probability

How likely it is for an event to happen written as a fraction/ratio

perpendicular lines

Two lines that intersect at right angles

experiment

A test to find or illustrate a rule

Out of 100

sector

A region bordered by part of a circle and two radii

A thousand years

leap year

A year with 366 days