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2 years ago

What is the area of the polygon? A: 1,140 2 B: 1,620 2 C: 2,052 2 D: 2,220 2

Mathematics

2 answers:

PtichkaEL [24]2 years ago

6 0

Answer:

B: 1620cm2

Step-by-step explanation:

16×15×2+30×20

QveST [7]2 years ago

4 0

Answer:

B

Step-by-step explanation:

the way you do this is 16×15×2+30×20

Hope this helps

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V125BC [204]

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marshall27 [118]

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mario62 [17]

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2 years ago

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likoan [24]

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Step-by-step explanation:

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2 years ago

Suppose a square ABCD has a side length of 1 unit. The arcs BD and AC are circular arcs with centers at A and D, respectively. F

Likurg_2 [28]

Answer:

$1-\frac{\sqrt{3} }{4}-\frac{\pi}{6}$

Step-by-step explanation:

The missing figure is shown in the attachment

The area of the shaded region = Area of Square - (Area of sector AOB + Area of equilateral triangle BOC + Area of sector COD)

Area of Sector AOB=Area of Sector COD= $\frac{30}{360}*\pi*1^2=\frac{\pi}{12}$

Area of equilateral triangle = $\frac{1}{2}*r*\frac{\sqrt{3} }{2}*r= \frac{1}{2}*1*\frac{\sqrt{3} }{2}*=\frac{\sqrt{3} }{4}$

Area of shade region = $1^2-\frac{\sqrt{3} }{4}-\frac{\pi}{12}*2$

$1-\frac{\sqrt{3} }{4}-\frac{\pi}{6}$

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2 years ago