area of Polygon

Match the following

• A=((b1+b2)/2)*h

• 
• A=Bh/2

• 
• A=Bh

• 
• A=(d1*d2)/2

• 

What is the height of the parallelogram?

What is the formula for area of a square?

• A=Bh

• A=Bh/2

• A=((b1+b2)/h)*h

• A=(d1*d2)/2

What is the formula for area of a trapezoid?

• A=Bh

• A=Bh/2

• A=((b1+b2)/h)*h

• A=(d1*d2)/2

What is the formula for area of a triangle?

• A=Bh

• A=Bh/2

• A=((b1+b2)/h)*h

• A=(d1*d2)/2

Label these correctly.

d

e

f

c

g

h

b

Octagon

Square

Pentagon

Hexagon

Triangle

nonagon

Circle

Decagon

Cooper used his ruler to measure the side of a square, as shown.
What is the area of the square?   

• 4 sq. in.
• 8 sq. in.
  8 sq. in.
• 12 sq. in.
• 16 sq. in. 

How much paint would be required to paint a square wall that has a height of 10 feet?

• 20 sq. ft.
• 40 sq. ft.
• 3.2 sq. ft.
• 100 sq. ft.

Match each concept with the correct formula.

• Area of a square

• Area of a rectangle with length L and width W

• Area of a trapezoid

• Area of a parallelogram with base b and height h

• Area of a triangle

Select two. What is the equations and the area of the trapezoid.

• A= 1/2(12 + 18) 5

• A= 60 m

• A= 1/2(12 + 18) 4

• A= 120 m

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TEKS 6.8D