
Study Guide Part 2: Composite Figures
Presentation
•
Mathematics
•
7th Grade
•
Practice Problem
•
Medium
+2
Standards-aligned
Tavaria Miller
Used 34+ times
FREE Resource
7 Slides • 12 Questions
1
Composite Figures
Composite figures are figures that are made from more than one shape being combined. The heart that you see is actually made from a square and two semi-circles.
2
To calculate composite figures' area, you need to be able to find the area of simple shapes first.
Let's practice!
3
For rectangles, you multipy the length x width.
You may also hear that area of a rectangle is calculated using the formula Area= base x height.
4
Multiple Choice
5
Multiple Choice
6
Area of a square is similar to area of a rectangle. You multiply length x width.
To find area of this square, I'd multiply 5 x 5
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Multiple Choice
Find the area of this square
5 cm
20 cm2
25 cm2
55 cm
8
Multiple Choice
What is the formula for the area of a rectangle?
Length x Width
Length x Length
Width x Width
9
Multiple Choice
What is the formula for the area of a square?
Length x Width
Length x Length
Width x Width
10
For area of a triangle, you multiply base x height. Then, divide your answer by 2.
11
The triangle has a base of 6 and a height of 7.
To solve, first multiply base x height.
7 x 6 = 42
Then, divide by 2.
42/2 = 21
Area = 21 cm^2
12
Multiple Choice
How do you find the area of a triangle?
base x height
take half of the base times the height
add up all of the sides
13
Multiple Choice
14
Multiple Choice
15
Composite Area is the area of the combined shapes. To find composite area, you must:
1) Break the figure into smaller shapes.
2) Write the formula for area of each shape.
3) Calculate the area of each shape
4) Add all of the areas
16
Multiple Choice
17
Multiple Choice
18
Multiple Choice
19
Multiple Choice
Composite Figures
Composite figures are figures that are made from more than one shape being combined. The heart that you see is actually made from a square and two semi-circles.
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