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Not all column charts can be converted to pie charts. It can only be done if the column chart has a single series, as a pie chart can only have one series. If the column chart has more than one series, only one series will be shown when it becomes a pie chart. If the column chart has a single series then going to the Chart menu and choosing Chart type will enable you to change it.

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How does one find the length of sides of an octagon given its diameter?

Given: ABCDEFGH is a regular octagon; diameter (diagonal) = d Let the side length of the octagon be s. Label with O the intersection of the diagonals. Look at the formed isosceles triangle AOB. Draw the apothem OK, which is also the altitude of the triangle AOB, which bisect the side AB. Look at the right triangle AOK. Here we have: The length of AK is s/2. The length of AO is d/2. The angle A is 67.5° (135°/2) So that, cos 67.5° = (s/2)/(d/2) .383 = s/d (.383)d = (s/d)(d) (.383)d = s Thus, the side length of the octagon equals (.383)d.


Qual a diferença entre Função e Equação?

Quando assistimos ou lemos um jornal, muitas vezes nos deparamos com um gráfico, que nada mais é que uma relação, comparação de duas grandezas ou até mesmo uma função, mas representada graficamente.Para que esse gráfico tome forma é necessário que essa relação, comparação, seja representada em uma função na forma algébrica.Para dar início ao estudo de função é necessário o conhecimento de equações, pois todo o desenvolvimento algébrico de uma função é resolvido através de equações.


A line has a y-intercept of 5 and makes and angle of inclination of 55 degrees with the x-axis what is the slope?

Plot the point (0, 5) in the y-axis and label it A. From the point A, draw a line in such way that the inclination angle of 55 degrees to be formed, and label the point of intersection of this line with x-axis with B(x, 0). Label the origin (0, 0) with O. A right triangle is formed, the triangle AOB, where the angle O is 90 degrees (because you know that x-axis and y-axis are two perpendicular lines), the inclination angle ABO is 55 degrees, and the distance AO is |5 - 0| = |5| = 5. Since the sum of angle OAB and the angle ABO is 90 degrees, the measure of the angle OAB = 90 - 55 = 35 degrees. Now that you know two angles, and one of the opposite side to one of these angles, by using the Law of Sines you can find the other opposite side to the other angle. The distance of this opposite side will be, |x - 0| = |x| = x. So you have: 5/sin 55 degrees = x/sin 35 degrees Cross multiply; 5(sin 35 degrees) = x(sin 55 degrees) Divide by sin 55 degrees to both sides; [5(sin 35 degrees]/sin 55 degrees = x Use calculator to find x, put your calculator in degree mode, and type:(5(sin(35))/sin(55), and press Enter. You'll find 3.5010. So, x = 3.5, which is the x-cordinate of the point B(3.5, 0) Now that you have the coordinates of two points on the line, the point A(0,5) and the point B(3.5, 0), you are able to find the slope m of this line. m = (y2 - y1)/(x2- x1) = (5 - 0)/(0 - 3.5) = 5/-3.5 = - 5/3.5 or you can turn 3.5 into a fraction by pressing Math Enter Enter in the calculator (Texas Instrument) - 5/(7/2) = - (5)(2/7) = - 10/7 The anser is: the slope is -10/7.