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anna2894
15.08.2020 •
Mathematics
The diagram shows a rectangle ABCE.
D lies on EC.
DAB is a sector of a circle radius 8cm and sector angle 30º.
Calculate the area of the shaded region.
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Ответ:
15.25 cm²
Step-by-step explanation:
Step 1: find the width of the rectangle, AE.
Step 2: Find the area of the rectangle
Step 3: Find the area of the sector.
Take π as 3.14
Step 4: Find the area of the shaded region.
Area of shaded region =![Area_{Rectangle} - Area_{sector} = 32 - 16.75 = 15.25 cm^2](/tpl/images/0722/7855/5270d.png)
Ответ:
37
Step-by-step explanation: