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Call the width is x.
We have \(78=2x+6\)
So \(x=36\) <=> the width is 36 ft.
Answer : 36 ft.
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Nguyễn Hưng Phát 06/12/2017 at 19:22The side of the hexagon is:
\(1\times2\div2=1\)(unit)
The perimeter of a semicircle is:
\(\dfrac{1\times3,14}{2}=1,57\)
The perimeter of the figure formed by these semicircle is:
\(1,57\times6=9,42\approx9,4\)
Answer:9,4
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Alone 03/01/2018 at 19:23
The area of the circle is:
\(\left(7:2\right)^2.3,14=38,465\)
The area of the square is:
\(\left(\sqrt{\dfrac{7^2}{2}}\right)^2=\dfrac{49}{2}\)
So the answer is:\(\left|38,465-\dfrac{49}{2}\right|=\left|13,965\right|\approx13,97\)
Lê Quốc Trần Anh selected this answer. -
Asuna Yuuki 04/01/2018 at 15:52The area of the circle is:
(7:2)2.3,14=38,465(7:2)2.3,14=38,465
The area of the square is:
(√722)2=492(722)2=492
So the answer is:∣∣∣38,465−492∣∣∣=|13,965|≈13,97
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FA Liên Quân Garena 08/01/2018 at 21:477
The area of the circle is:
(7:2)2.3,14=38,465
The area of the square is:
⎛⎝√722⎞⎠2=492
So the answer is:∣∣∣38,465−492∣∣∣=|13,965|≈13,97
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Tôn Thất Khắc Trịnh 24/07/2018 at 13:37\(\sqrt{3}x-2=2\)
vũ tuấn mạnh clever12456789 selected this answer.
\(\Leftrightarrow\sqrt{3}x=4\)
\(\Leftrightarrow x=\dfrac{4}{\sqrt{3}}=\dfrac{4\sqrt{3}}{3}>\dfrac{2}{3}\)
Xin lỗi nha, mình trả lời bạn hơi chậm rùi
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Huỳnh Anh Phương 25/12/2018 at 03:581 = 10 => 1+ 9 = 10
2 = 11 => 2 + 9 = 11
3 = 12 => 3 + 9 = 12
...
So 10 = 19
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sara luu 29/12/2018 at 06:24
Vì 1=10; 2=11; 3=12; 4=13; 5=14; 6=15; 7=16; 8=17; 9=18
nên 10=19
Vậy 10=19
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Nguyệt Nguyệt 18/03/2017 at 21:11Hello. My name is Nguyet Nguyet. I am thirteen years old and i study at Vo Thi Sau secondary school.
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An Duong 25/03/2017 at 21:31
Because a line through a center of a rectangle (or a circle) divide it into two part with equivalent area.
So you should cut the paper by the line connecting two centers of the rectangle and the circle (see following figure)
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