The Basics
What is a composite figure?
A figure made from two or more geometric figures (or shapes).
What is the area of a square?
a= b x h
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 units squared?
What is area?
How many square units a figure takes up.
Find the area of a trapezoid if one base is 3 units, one base is 4 units, and the height is 5 units.
17.5 units2
How do you know if a figure is composite?
If it is made up of two or more geometric figures or shapes.
What is the area of a rectangle?
a=l x w
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 units squared?
What is the first step in finding the area of a composite figure?
Separating the figure into simpler figures
Find the area of a rectangle with a length of 4.5 units and a width of 2 units.
9 units2
How do you find the area of a composite figure?
Find the area of each figure and add them together.
What is the area of a triangle?
1/2bh or bh/2
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 units squared?
!!DAILY DOUBLE!! Martina designed a painting on a canvas for an art project. The painting consists of 4 large squares. All squares are the same size with a side length of 5 inches. What is the total area of all four circles.
100 inches squared
Find the area of a triangle with a base of 6 inches and a height of 3 inches.
9 inches2
True or False? A composite figure must have an even number of sides?
False
What is the area formula of a trapezoid?
h(b+b)/2
A figure is composed of a triangle and a trapezoid. The base of the triangle is 8 and the height is 4. The trapezoid and the triangle share the base of 8. The other base of the trapezoid is 6 and the height is 4. Find the area.
What is 44 units squared?
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 shape?
41.5ft.
27.04 inches squared
What is the area of a parallelogram?
base x height
A figure is composed of a rectangle, a triangle, and a parallelogram. The base of the rectangle is 3 and the height is 3. The triangle has a base of 3 and a height of 6. The parallelogram has a base of 2 and a height of 6. Find the area.
What is 30 units squared?
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
24 units squared