Perimeter of a Triangle
Presentation
•
Mathematics
•
6th - 12th Grade
•
Hard
Joseph Anderson
FREE Resource
7 Slides • 6 Questions
1
Perimeter of shapes and Area of a Triangle
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How do you find the Perimeter?
3
To find the perimeter, add the length of ALL sides.
6 + 6 + 6 + 6 = ?
The perimeter of this shape is 24.
24 what?
If you walked all the way around this shape you would walk 24 feet.
4
Multiple Choice
5
Perimeter Formulas
Triangles:
Perimeter: P = a + b + c
6
Who cares?
If you were building a fence around the outside of your yard, you would need to know the Perimeter
7
Multiple Choice
What is the perimeter?
8
Multiple Choice
The perimeter of the figure below is 80.9 ft. Find the length of the missing side.
9
Area of Triangles
Area formula A= ½ × base × height or Area = b x h divided by 2 Find the base & height by finding where the right angle is!!
10
Multiple Choice
What is the area, in square inches, of the shape below?
11
Multiple Choice
The area of the triangle below is 38.28 square meters. What is the length of the base?
12
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Perimeter of shapes and Area of a Triangle
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