Quadrilaterals
Diagonals in parallelograms
Finding missing sides in triangles
Polygons
Triangle inequality Theorem
100
What is the sum of the interior angles in a quadrilateral?
360 degrees
100
Are the diagonals in a parallelogram congruent?
No
100
In order to find the missing side in a right triangle we can apply:
The pythagorean theorem
100
To have a polygon we need at least:
3 sides
100
Which side must be located opposite to the smallest angle in a triangle?
The smallest side.
200
What is a square?
A special parallelogram with all sides congruent and all interior angles equal 90 degrees
200
Do diagonals in a parallelogram bisect each other?
Yes
200
What is the formula for Pythagorean Theorem?
a^2+b^2=c^2
200
What is a polygon?
A closed figure with all sides straight.
200
The exterior angle theorem states:
That the exterior angle in a triangle is equal to the sum of the two interior non adjacent.
300
What is true about sides in a parallelogram?
Opposite sides are parallel and Congruent
300
Diagonals bisect angles in:
Rhombus and square
300
What is the longest side in a right triangle?
The hypotenuse
300
How you find the sum of the interior angles in a pentagon?
(5-2)180
300
If the exterior angle in an isosceles triangle is 130, what should be the measurement of each angle?
50, 65 and 65
400
What is true about opposite angles in a parallelogram?
They are congruent
400
Diagonals intersect creating 90 degrees angle in:
Rhombus and square
400
Can we have an isosceles right triangle?
Yes
400
What is a regular nonagon?
A 9 sided polygon with all sides congruent.
400
Can we find two obtuse angles in a triangle?
No.
500
What is true about consecutive angles in a parallelogram?
They are supplementary(add up to 180)
500
Diagonals create 4 isosceles triangles in:
Square
500
Can we have an obtuse right triangle?
No
500
We can apply the formula (n-2)180 to find the sum of the interior angles in:
A convex polygon
500
Can we make a triangle with the following sides: 5,9,4. Why
No. The sum of two sides must me greater than the third
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