Quadrilaterals
Using the formula find one angle
Number of sides
sum of all angles
Vocab
100
Polygon with 4 sides
What is a quadrilateral?
100
The sum of one angle in a 167-gon (Round to the nearest tenth)
What is 177.8º for one angle of a 167-gon?
100
Hexagon
What has 6 sides?
100
180
What is triangle
100
Base times hight
What is the formula for finding the area of a square?
200
Has the same properties as a Rectangle and a Rhombus.
What is Square?
200
The sum of one of the angles in a 283-gon (Round to nearest tenth
What is 178.7 for one of the angle of a 283-gon?
200
Octagon
What has 8 sides?
200
540
What is pentagon?
200
distance around a shape
What is perimeter?
300
Has 90º angles
What is a rectangle?
300
The sum of one of the angles in a 351-gon (Round to nearest tenth)
What is 179 or 178.9 for one of the angles of a 351-gon?
300
Triangle
What has 3 sides?
300
900
What is heptagon
300
Angles cave in
What is concave?
400
Carpenters use this to see if the shape is a rectangle without seeing if the angles are 90º
What is checking the diagonals?
400
The sum of one of the angles in a 402-gon
What is 179.1 for one angle of a 402-gon?
400
nonagon
What has 9 sides?
400
1,260
What is nonagon?
500
The sum of one of the angles of a 500-gon (you may round to the nearest tenth)
What is 179.28 or 179.3 for one of the angles of a 500-gon?
500
Dodecagon
What has 12 sides?
500
1,440
What is decagon?
500
Its the distance from the center of a regular polygon.
What is apothem?
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