Triangles
Quadrilaterals
Angles and Degrees
Properties of a Triangle
Vocabulary
100
This triangle has 3 equal sides and 3 equal angles.
What is EQUILATERAL?
100
This figure has all 4 sides parallel to the opposite side. Internal angles may or may not be 90 degrees. Lengths may or may not be equal.
What is a PARALLELOGRAM
100
In an EQUILATERAL triangle, each angle is equal to ___ degrees
What is 60 degrees?
100
The sum of two lengths of a triangle will always be ______ than the third side.
What is GREATER (or LONGER)?
100
This word means "many sides"
What is POLYGON?
200
This triangle has 2 equal sides
What is ISOSCELES?
200
This type of parallelogram has 4 right angles.
What is a RECTANGLE?
200
In a RIGHT triangle, the sum of the non-right angles is ____
What is 90 degrees?
200
Can this make a triangle:
Length of side A: 5
Length of side B: 8
Length of side C: 14
NO
200
This word means "3 Angles"
What is TRIANGLE?
300
This triangle has no equal sides
What is SCALENE?
300
This type of parallelogram has 4 equal sides and 4 right angles.
What is a SQUARE?
300
The Measure of B is ____
What is 25 Degrees?
300
Can this make a triangle?
Length of side A: 2
Length of side B: 4
Length of side C: 5
YES
300
This word means "four lines"
What is QUADRILATERAL?
400
This is an example of a ______ triangle
What is RIGHT (and SCALENE)?
400
This type of parallelogram has 4 equal sides and no right angles.
What is a RHOMBUS?
400
The measure of W is _____
What is 49 Degrees?
400
Can these make a triangle?
Length of side A: 1/2 inch
Length of side B: 0.5 inch
Length of side C: 50% of an inch
YES
400
This word refers to when two lines run alongside each other but NEVER meet
What is PARALLEL?
500
This is an example of a _______ triangle
What is OBTUSE (or ISOSCELES)?
500
This quadrilateral has only 2 parallel sides and no right angles.
What is a TRAPEZOID?
500
The Measure of b is _____
What is 32 degrees?
500
Can these make a triangle?
Length of side A: 9.6
Length of side B: 4.1
Length of side C: 5.2
NO
500
This word refers to when 2 lines intersect (meet)
What is PERPENDICULAR?