Mathematical
2021-12-15
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Geometric series online calculator
If a sequence is from item 2, the ratio of each item to its predecessor is equa...
2021-12-15
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The intercept of a straight line is divided into transverse intercept
and longitudinal intercept. The transverse ...
2021-12-15
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There are two points A(x1, y1) B(x2, y2) whose coordinates of
the midpoint P are ((x1+x2)/2, (y1+y2)/2)
In additi...
2021-12-15
Two points P1 (x1, y1, z1), P2 (x2, y2, z2) in space, midpoint P coordinates [(x1+x2)/2,
(y1+y2)/2, (z1+z2)/2...
2021-12-15
It is known that the coordinates of point A are (x1, y1) and the coordinates of point B are (x2, y2).
Find the equation of a strai...
2021-12-15
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The vertical center of a triangle refers to the intersection of the three
heights or the extension lines of the tr...
2021-12-15
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A prism whose base is a regular polygon is called a regular prism.
A regular prism is a prism whose sides are per...
2021-12-15
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The upper figure is a regular polygonal pyramid whose bottom edge is a regular polygon whose sides are all congru...
2021-12-15
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The formula for the circle:
The formula for the area of the circle is: \(S=πr2\) or \(S=π(d/2)2\)
π means pi
r in...
2021-12-15
App description
The formula for the circle:
Round area \(S= π r^2\)
Circumference length \(C = 2 π r\)
Round diameter \(d = 2 r\)
...