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Butoxors [25]
3 years ago
13

a corner shelf is 1/4 of a circle and has a radius of 10.5 inches . Enter the area of the shelf in square inches . round your an

swer to the nearest hundredth .
Mathematics
1 answer:
schepotkina [342]3 years ago
5 0
First, find the area of the shelf if it were a full circle.
the formula for the area of a circle is a=pi(r squared)
a=pi (10.5 squared)
a=pi  x 110.25
a=3.14 x 110.25
a=346.185
now, you have to divide that area by 4 to get the area of the 1/4 circle
346.185/4=86.55
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The formula to find the Height of a triangle when you have the Area and the base is H = 2 * A/b
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2 years ago
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ELEN [110]
Original Figure:
Length = 15
Width = 5
Height = 10
Volume = Length*Width*Height
Volume = 15*5*10
Volume = 750

New Figure
Length = 3
Width = 1
Height = 2
Each dimension has been divided by 5 (eg: 15/5 = 3)
Volume = Length*Width*Height
Volume = 3*1*2
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The old volume was 750 and it changes to 6
Notice how 750/6 = 125
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Answer: if you divide the old volume by 125, then you get the new volume

Note: the new volume is 125 times smaller than the old volume
Put another way, the old volume is 125 times larger compared to the new volume

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8 0
2 years ago
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9514 1404 393

Answer:

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Step-by-step explanation:

When the translation (T) is added, the image is formed.

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The same holds for the second point:

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The image of the second point under the same translation is (-4, -13).

6 0
2 years ago
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