Math A

Working with
Area of Polygons
and Circles

 

Answer the following questions dealing with area of polygons and circles.

 

1.

 

Find the area.

 

Choose:

 32.5
400
500
600  

 

 

2.

 

Find the area of the green rectangle.

 

Choose:

 30
60 
144
156 

 

 

3.

Find the area of this trapezoid.

 

Choose:

63
180
360
1120

 

 

4.

The diagram at the left shows a green piece of square carpeting.  A hole is being cut out of the carpeting for a column 6' in diameter.  How many square feet of carpeting are shown in this diagram?  Round answer to the nearest tenth of a square foot.

Choose:

108.0sq.ft.
211.0 sq.ft.
295.7 sq.ft.
324.6 sq.ft.

 

 

5.

A yield sign has the dimensions given in the diagram.  How many square inches of material are needed to make the sign?  Round answer to the nearest tenth of a square inch.

Choose:

108.0 sq.in.
324.6 sq.in.
561.2 sq.in.
648.0 sq.in.

 

 

6.

The area of a trapezoid is 28 sq. ft.  The bases are 5 ft. and 9 ft.  What is the height of the trapezoid in feet?

 

Choose:

4 ft.
5 ft.
6 ft.
9 ft.

 

 

7.

 

 

The school band is selling pennants.  Each pennant is cut in the shape of a triangle 4 feet long and 1 foot high.  How many square feet of fabric are needed to make 200 pennants (assuming no waste)?

Choose:

100
200
400
800

 

 

8.

Find the area of parallelogram ABCD.

Choose:

504
672
768
822

 

 

9.

 

Tom plans to make a strawberry shortcake to take to a party.  The recipe calls for a 10 inch diameter round pan.  Tom only has an 8 inch square pan, a 9 inch square pan and a 10 inch square pan.  Which pan comes closest in area to the one that the recipe suggests?

Choose:

8 inch
9 inch
10 inch

 

 

10.


 

A 20 ft. by 15 ft. swimming pool is surrounded by a 2 ft. wide sidewalk.  A fence on the edge of the sidewalk encloses the whole pool area.

a.  What is the area in square feet inside the fence?

b.  What is the area in square feet of only the sidewalk?

 

Choose:
a.

300sq.ft.
374sq.ft.
456sq.ft.

b.
156sq.ft.
300sq.ft.
374sq.ft.

  

 

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Roberts