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Published byMeagan Barker Modified over 9 years ago
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The area of trapezoid
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1cm Parallelogram 1㎠1㎠ 10cm 2 +2cm 2 =12cm 2 Let’s estimate
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1c m
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Let’s estimate 1c m 5cm4cm= ⅹ 20cm 2
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Let’s make figures trapezoid triangle rectangle parallelogram
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Let’s find the area of trapezoid 3cm 7cm 4cm (7 ⅹ 4)÷2=14(3 ⅹ 4)÷2=6 14+6=20cm 2
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Let’s find the area of trapezoid 3cm 7cm 4cm 3cm2cm 5 ⅹ 4=20cm 2 4cm 3cm2cm
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Let’s find the area of trapezoid 7cm 3cm 7cm 4cm (7+3)ⅹ4(7+3)ⅹ4 ÷2= 20cm 2
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Let’s check the area 10cm 2 9cm 2 4cm 2
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Today, We learned about… the area of trapezoid We can find With triangles
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the area of trapezoid We can find With a rectangle.
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Today, We learned about… the area of trapezoid We can find With parallelogram.
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Next time, we will learn about… Area of the rhombus
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