Angles in a Quadrilateral
Parallelogram and Trapezoids
Polygons
100
All four angles in a quadrilateral add up to this.
What is 360 degrees?
100
In a parallelogram, if an angle is 45 degrees, the opposite angle will be this value.
What is 45 degrees?
100

Is a closed figure with all straight sides.

What is a polygon?

200
In a square or rectangle all angles will equal this.
What is 90 degrees?
200
In a parallelogram, if one side measures 5 inches, the opposite side will measure this value.
What is 5 inches?
200

The formula for measuring the sum of all interior angles.

S=180*(n-2)

300
If 3 angles in a quadrilateral add up to 300, the fourth angle is this value.
What is 60 degrees?
300
In a trapezoid, one side of angles will always measure to this value.
What is 180 degrees?
300

The sum of all exterior angles of a polygon.

What is 360°?

400
Two angles add up to 200 degrees. The sum of the other two angles in a quadrilateral will add up to this sum.
What is 160 degrees?
400
If one diagonal length in an isosceles trapezoid is 17 inches, then the other diagonal length will be this value.
What is 17 inches?
400

A regular hexagon has this value of an exterior angle.

What is 60°?

500
Angle one is X Angle two is 2X Angle three is 3X Angle four is 4X If this is a quadrilateral, what does X equal?
What is 36?
500
All four angles in a parallelogram and a trapezoid will measure up to this value.
What is 360 degrees?
500

A regular pentagon has an angle measure of 9x. This is the value of x.

What is 12?

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