5 minute check
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5 Minute Check. Find the area. Complete on the back of your homework. 1. 2. 3. 4. . 5 Minute Check. Find the area. Complete on the back of your homework. 1. . 5 Minute Check. - PowerPoint PPT PresentationTRANSCRIPT
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5 Minute CheckFind the area. Complete on the back of your
homework.1. 2.
3. 4.
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5 Minute CheckFind the area. Complete on the back of your
homework.1.
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5 Minute CheckFind the area. Complete on the back of your
homework.1.
A = = = 48ft²
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5 Minute CheckFind the area. Complete on the back of your
homework.2.
A = =
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5 Minute CheckFind the area. Complete on the back of your
homework.3.
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5 Minute CheckFind the area. Complete on the back of your
homework.3.
21 =
21 = 3b 3 37 = b
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5 Minute CheckFind the area. Complete on the back of your
homework.4.
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5 Minute CheckFind the area. Complete on the back of your
homework.4.
A =
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Flashcards
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Tuesday, Feb 4
Chapter 9.3
Area of Trapezoids
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Area of TrapezoidsObjective: To find areas of trapezoids.
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Area of TrapezoidsAt the end of this lesson you should be able to answer the following question.
How is the area for finding the area of a trapezoid related to the formula to find the area of a parallelogram?
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Area of TrapezoidsA trapezoid is a four sided polygon that has one pair of opposite sides parallel. The sides that are parallel are called “bases”.
base 1
base 2
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Area of TrapezoidsA parallelogram is two congruent trapezoids.
base 1 base 2
base 2 base 1
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Area of TrapezoidsThe area of a trapezoid can be found by the following formula:
A = b₁
b₂
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Area of TrapezoidsFind the area of the trapezoid.A =
b = ?₁
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Area of TrapezoidsFind the area of the trapezoid.A =
b = ?₂
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Area of TrapezoidsFind the area of the trapezoid.A =
h = ?
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Area of TrapezoidsFind the area of the trapezoid.A =
Next?
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Area of TrapezoidsFind the area of the trapezoid.A = A =
Next?
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Area of TrapezoidsFind the area of the trapezoid.A = A = A =
Next?
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Area of TrapezoidsFind the area of the trapezoid.A = A = A = A = 59.5in²
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Area of TrapezoidsFind the area of the trapezoid.
Do this on your own.
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Area of TrapezoidsFind the area of the trapezoid.A = A = A = A = 100cm²
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Area of TrapezoidsFind the area of the trapezoid.
With the calculator:b₁+b₂ = x h ÷ 2 =
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Area of TrapezoidsIf the area of Osceola County, Florida
resembles a trapezoid. Find the approximate area of this county.
Do this on your own.
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Area of TrapezoidsIf the area of Osceola County, Florida
resembles a trapezoid. Find the approximate area of this county.
A = A = A = A = 1634mi²
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Area of TrapezoidsAgenda Notes
Complete Mid-Chapter Check on page 696.
Homework– Homework Practice 9-3Due Wednesday, Feb 5
Mid-Chapter 9 Quiz –Wednesday, Feb 5