
Quadrilaterals and Trapezoids
Presentation
•
Mathematics
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9th Grade
•
Hard
Joseph Anderson
FREE Resource
6 Slides • 3 Questions
1
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2
Area of Trapezoids
Objective: find the area of trapezoids
3
Math Response
The area of this triangle is ____ ft2.
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5
AREA of a Trapezoid
Step 1: Split one of the legs into two equal parts and cut a triangular portion of the trapezoid as shown.
Step 2: Attach it at the bottom so it forms a big triangle.
This is a TRIANGLE we can use that formula.
6
EXAMPLE
Find the area.
Area of a Triangle
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FORMULA for the area of a Trapezoid
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EXAMPLE
Find the area.
9
Math Response
The area of the trapezoid is ___ cm2
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