Mathegories Geometry Game Board Geometry Terms and Problem Solving.

MathegoriesGeometry Game Board

Geometry Terms and Problem Solving

Geometry

Terms

Circle

Stuff

Problem

Solving

About

Angles

Classifying

Polygons

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© www.DigitalLesson.com

Two figures with the same size

and shape


Congruent


A flat surface that continues

without end in all directions


Plane


The instrument used to

construct and measure angles


Protractor


Angles that share a common side and a common

vertex © www.DigitalLesson.com

Adjacent

Angles


A closed plane figure formed by at least three line

segments © www.DigitalLesson.com

Polygon


The number of degrees in a

circle


360°


A chord that passes through the center of a

circle © www.DigitalLesson.com

Diameter


The ratio of the circumference to

the diameter of a circle


π(Pi)


POWER

POINTS!!


The number of degrees a clock

hand rotates as it moves from the 3 o’clock position to

the 7 o’clock position © www.DigitalLesson.com

120°


Three-fourths of a pizza is eaten. Then half of what remains is eaten. What is the

measure of the central angle of the remaining piece?


45°


A triangle with at least two

congruent sides


Isosceles

Triangle


A polygon with seven sides


Heptagon


A quadrilateral with exactly one pair of parallel

sides © www.DigitalLesson.com

Trapezoid


POWER

POINTS!!


A polygon with two sides


ImpossibleBy definition, a polygon must have

at least three sides.


A parallelogram with all sides

congruent and no right angles


Rhombus


An angle that is greater than 90° and less

than 180° © www.DigitalLesson.com

Obtuse

Angle


An angle that measures 180°


Straight

Angle


The sum of the measures of

these two angles is 90°


Complementary

Angles


The sum of the interior angles of a quadrilateral


360°


The sum of the interior angles of

a hexagon


720°To find the sum of the interior angles of any polygon the formula 180°(x-2) can be used,

where x is the number of sides in the polygon.


60°


The measure of the fourth angle in a

quadrilateral if the first three angles

measure 90°, 120°, and 100°


50°


3


If one side of a parallelogram

measures 7 inches and the perimeter is 22 inches, what is the length of an adjacent side?


4 inches


The height of a triangle measures 10 feet. What is

the measure of the base if the area is 30 square feet?


6 feet


Mathegories Geometry Game Board Geometry Terms and Problem Solving.

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