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The area of trapezoid 1cm Parallelogram 1㎠1㎠ 10cm 2 +2cm 2 =12cm 2 Let’s estimate.

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Presentation on theme: "The area of trapezoid 1cm Parallelogram 1㎠1㎠ 10cm 2 +2cm 2 =12cm 2 Let’s estimate."— Presentation transcript:

1

2 The area of trapezoid

3 1cm Parallelogram 1㎠1㎠ 10cm 2 +2cm 2 =12cm 2 Let’s estimate

4 1c m

5 Let’s estimate 1c m 5cm4cm= ⅹ 20cm 2

6 Let’s make figures trapezoid triangle rectangle parallelogram

7 Let’s find the area of trapezoid 3cm 7cm 4cm (7 ⅹ 4)÷2=14(3 ⅹ 4)÷2=6 14+6=20cm 2

8 Let’s find the area of trapezoid 3cm 7cm 4cm 3cm2cm 5 ⅹ 4=20cm 2 4cm 3cm2cm

9 Let’s find the area of trapezoid 7cm 3cm 7cm 4cm (7+3)ⅹ4(7+3)ⅹ4 ÷2= 20cm 2

10 Let’s check the area 10cm 2 9cm 2 4cm 2

11 Today, We learned about… the area of trapezoid We can find With triangles

12 the area of trapezoid We can find With a rectangle.

13 Today, We learned about… the area of trapezoid We can find With parallelogram.

14 Next time, we will learn about… Area of the rhombus


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