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blackwell0315
24.01.2021 •
Mathematics
I need help with my rsm hwrk pls help me
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Ответ:
Step-by-step explanation:
When we consider Area under arc AC is is representing a quarter as ADBC is a square,
.
Area of quadrant =![\dfrac{\pi r^2}{4}](/tpl/images/1060/1640/9b942.png)
here r= 8 cm
Area under Arc AC=![\dfrac{\pi (8)^2}{4}=16\pi\ cm^2](/tpl/images/1060/1640/1427d.png)
Area of white region ABC = Area of square ADBC - Area under Arc AC
Similarly , Area of white region ADC =![16(4-\pi)\ cm^2](/tpl/images/1060/1640/efefd.png)
Area of shaded region = Area of square - Area of white region ABC - Area of white region ADC
Area of shaded region =![= 32(\pi-2)\ cm^2](/tpl/images/1060/1640/a0ae5.png)
Length of arc AC =![\dfrac{Circumference}{4}=\dfrac{2\pi r}{4}](/tpl/images/1060/1640/337cf.png)
Perimeter of shaded region = 2(AC) =![8\pi\ cm](/tpl/images/1060/1640/74f01.png)
Ответ:
answer:
h-2
step-by-step explanation: