Geometry Basics
Congruency Theorems
Similarity Theorems
Name that shape!
Random!
100
What is an object in Geometry that has no length, width, or height?
A Point
100
Two things are congruent if that have the ____________ size and ______________ shape.
SAME size and SAME shape
100
Two objects are similar if they are the same _____________ but different ______________.
Shape / Size
100
What is the name of a shape with 3 sides?
Triangle
100
Angles a and b are what kind of angles?
Vertical Angles!
200
This is an object in Geometry that has length, but no width or height
A line / line segment
200
Two triangles have three congruent sides. What Congruency Theorem proves their are congruent triangles?
SSS (Side-Side-Side)
200
To prove Side-Side-Side similarity, what has to be true of the side lengths?
They must be proportional.
200
What is the name of a shape with 5 sides?
Pentagon
200
What planet is closest to the sun?
Mercury
300
What do we call a part of a line shows with two end points?
A Line Segment
300
Two triangles share a congruent angle, and the side that make the angles are also congruent. Which Congruency Theorem proves they are congruent triangles?
Side-Angle-Side (SAS)
300
*** DAILY DOUBLE!!!***
Two triangles have a congruent angle. The sides that form that angle are proportional. What can be concluded about the triangles? Why?
They are similar by SAS.
300
What is the name of the shape of a stop sign?
Octogon
300
What country eats the most Mac and Cheese in the world?
Canada!
400
An object in Geometry created be three or more non-co-linear points.
A Plane
400
Two triangles have two pairs of congruent angles, and the side between the angles is also congruent. Which congruency theorem proves these are congruent triangles?
Angle Side Angle (ASA)
400
This is a similarity proof that is NOT also a congruency proof.
(Hint...think Angles!)
Angle Angle Similarity.
400
What is the name of a shape with 10 sides?
Decagon
400
Which number is bigger? The number of mini-Lego figures, or the number of people on the planet?
The number of Lego Figures
500
An object that has length, one end point, and goes on forever.
A Ray
500
Two right triangles have congruent hypotenuses and a congruent leg. Which theorem says they are congruent triangles?
Hypotenuse Leg (HL)
500
*** DAILY DOUBLE ***
Are congruent triangles also similar triangles?
Yes!
500
What is the name of a shape with 12 sides?
Dodecagon
500
What is Cookie-Monster's Real Name?
Sid