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Formulas
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More questions!
Polygons
100
What is a composite figure?
A figure made from two or more geometric figures (or shapes).
100
What is the area of a square?
a= b x h
100

A figure composed of two rectangles. Rectangle one has a base of 6 and a height of 4. Rectangle two has a base of 5 and a height of 4. Find the area.

What is 44 square units?

100
What is area?
How many square units a figure takes up.
100

How many of the same sized triangle is in a pentagon?

5

200
How do you know if a figure is composite?
If it is made up of two or more geometric figures or shapes.
200
What is the area of a rectangle?
a=l x w
200

A figure is composed of a square and a triangle. The length of each side of the square is 4. The base of the triangle is 4 and the height is 7. Find the area.

What is 30 square units?

200
What is the first step in finding the area of a composite figure?
Separating the figure into simpler figures
200

What is the formula for Area of an octogon?

A=8x1/2xbxh

300
How do you find the area of a composite figure?
Find the area of each figure and add them together.
300
What is the area of a triangle?
1/2bh
300

A figure is composed of a rectangle with two triangles on each end. The base of the rectangle measures 3 and the height measures 2. The base of EACH triangle is 2 and the height of each triangle is 6. Find the area.

What is 18 square units.

300

!!DAILY DOUBLE!! Martina designed a painting on a canvas for an art project. The painting consists of 4 large squares with a width of 6 inches. What is the total area of all four circles.

144  inches squared

300

A Hexagon is cut into 6 triangles. The Triangles each have a base of 10 inches and height of 12 inches. What is the area (remember the units)

360 in2

400
True or False? A composite figure must have an even number of sides?
False
400

What is the area of a parallelogram?

a= base * height

400

A figure is composed of a triangle and a semi-circle. The base of the triangle is 8 and the height is 4. The side of the square is 2. Find the area.

What is 20 square units?

400

Mrs. Watson has two whiteboards in her room. One is 3 ft. wide and 8 ft. long. The other is 2.5 ft. wide and 7 ft. long. What is the total area of the two whiteboards?

41.5 square ft.

400

Find the area of a Nonagon. This polygon can be cut into 9 triangles of the same area. The area of one of these triangles is 22.1 cm2 

198.9 cm2

500
True or False? A composite figure can have a maximum of 3 shapes.
False
500

What is the area of a Trapezoid?

a= 1/2(b1+b2)*height

500

A figure is composed of a rectangle, a triangle, and a Square. The base of the rectangle is 3 and the height is 5. The triangle has a base of 3 and a height of 6. The square has a side length of 4. Find the area.

What is 40 square units?

500

Ms. Akers wants to build one large table with 5 smaller tables. The tables are measured in feet. The measurements are 3 by 8, 2 by 9, 5 by 25, 6 by 24, and 7 by 14. What is the total area of the large table?

409 ft. squared

500

A Heptagon is a shape with 7 sides. If the perimeter of the heptagon is 252 in, what is the length of each side. 

 36 inches