3 years ago

A circle is defined by the equation given below.

1 answer:

7 0

X2+y2–x–2y–11/4=x2−x+14−14+y2−2y+4−4−11/4=(x−12)2+(y−2)2−14−4−114=(x−12)2+(y−2)2−7=0(x−12)2+(y−2)2=(7√)2 Center(1/2 ,2) radius = \sqrt 7

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Find the area of the figure below

Serhud [2]

Easy

the easiest way is to imagine that you have a rectangle with a corner cut off
the area of the figure=area of rectangle-area cut off

area that was cut off was a triangle

area of rectangle=length times width
area of triangle=1/2base times height

so we draw imaginary lines like in attachment
find area of rectangle
legnth=9 inch
width=9 inch
area=9 times 9=81 in^2

triangle
the top part is ?+5=9, so the base of triangle=4
the side is ?+4=9, so the base is 5
area=1/2 times 4 times 5=10 in^2

area=rectangle-triangle
area=81-10=71 in^2

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Iteru [2.4K]

Answer:

9656.06 meters

Step-by-step explanation:

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ivann1987 [24]

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Deleted

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3 years ago

Find the surface area of the figure. For calculations involving , give both the exact value and an approximation to the nearest

leva [86]

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2 years ago

7. The length of a rectangle is two more than its width. The perimeter of the rectangle is 36 feet. What are the dimensions (len

Reika [66]

Step-by-step explanation:

length = x + 2

width = x

x + x + (x+2) + (x+2) = 36 ft

4x + 4 = 36 ft

4x = 32 ft

x = 32 ÷ 4

x = 8 ft

dimensions = length x width

= (x+2) × x

= (8+2) × 8

= 10 ft × 8 ft

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2 years ago