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Shapes
Formulas
Angles/Triangles
Statistics
100

How many sides does a hexagon have?

6 sides 

100

How do you find the sum of angles of a polygon?

(n-2)180

100

Every angle on a triangle should add up to?

180 degrees

100

What is the mode: 2, 2, 4, 7, 11

2

200

What do u call a shape with 8 sides 

Octagon 

200

When a coordinate point (x,y) is reflected across x-axis it becomes (x, -y).

True/False

True

200

The definition of an obtuse angle is..

An angle of greater than 90 degrees 

200

What is the range:  3, 5, 9, 11, 11, 13, 18

18-3=15

300

Draw a trapezoid

Good job!

300

How do you find the measure of each angle in a regular polygon?

sum of angles of the polygon divided by number of sides
300

A triangle can have 2 right angles.

True/False

False

300

Find the mean: 2, 4, 7, 11

6

400

Draw a rhombus 

Good job!


400

formula for the area of a trapezoid

  • Area of a Trapezoid = ½ × (base1 + base2) × height.
400

What is a triangle with all equal sides called?

Equilateral triangle

400

Find the median: 2, 5, 7, 9, 11

7

500

A rectangle is also a parallelogram.

True/False

True

500

What is the formula for a circle 

A = πr2

500

Can we have an obtuse -isosceles triangle?

Yes

500

What is the first quartile in:

2, 3, 6, 7, 9, 9, 12

3