Show:
Triangles
Polygons
Parallelograms
Mystery
100
What is the area of a triangle with base=9ft and a height=7ft?
31.5 ft
100

Is a circle a type of polygon?

No. 

100
What is the formula to find the area of a parallelogram?
A=bh
100

What is 9 x 7?

56

200
What is the area of a triangle with b=12.1m and h=6.4
38.72
200

To solve for the area of a polygon, what do you need to do first?

Decompose.

200

DAILY DOUBLE!!!

What is the area of a parallelogram with b=20 cm and h=11 cm?

220 squared cm

200

Solve 45 x 8 =

360

300
What is the base of a triangle whose A=24cm squared and a h=6cm?
b=8
300

What is the area of a polygon that has been decomposed to a rectangle with a b= 2in and h= 3in, and a square with a b= 4in and h= 4in?

22in2

300
What is the height of a parallelogram with a b=9 in and A=45in squared?
h=5
300

Evaluate this expression 10(10 X 2)- 32 =

191

400

How much material is it needed to cover the front of a camping tent (triangular) with b= 5 ft and a h=3 ft

7.5 ft squared of material is needed

400

DAILY DOUBLE!!!

A polygon has been decomposed into a triangle (b=6in and h=8in), a rectangle (l=4in and w=6in), and another rectangle (l=5 and w=3).  What is the area of this polygon?

63in2

400
Give an example of a triangle and a parallelogram that have the same area
A triangle with b=8, and h=3 and a parallelogram with b=3 and h=4
400

DAILY DOUBLE!!!

List the order of operations.

PEMDAS (Parenthesis/Exponent/Multiply/Divide/Add/Subtract) 

500

DAILY DOUBLE!!!

How can you use triangles to find the area of a regular hexagon?

The hexagon is formed of 6 congruent triangles. If you find the area of one triangle you can find the area of the hexagon.

500

A polygon has been decomposed into 2 same size triangles (b= 8ft and h=9ft), a square (b=6ft and h=6ft), and another triangle (b=3ft and h=4ft). What is the area of this polygon?

114 ft2

500
What is the definition of a parallelogram?
A parallelogram has two sets os parallel lines
500

How many students do we have in our class?

13