Right triangle Calculator

Calculates the other elements of a right triangle from the selected elements.

Right triangle
select elements

    Right triangle
    [1-10] /306Disp-Num
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    [1]  2022/09/06 21:42   60 years old level or over / A retired person / Very /
    Purpose of use
    Ham radio antenna height calculation for a sloper antenna to operate on 60-meter and 17-meter ham bands.
    Comment/Request
    Change top illustration according to the drop-down selection to show fixed and variables.
    [2]  2022/08/18 06:48   30 years old level / High-school/ University/ Grad student / Useful /
    Purpose of use
    Looking up formulas.
    Comment/Request
    Definitions of tan, sin, cos would be appreciated on this page.
    [3]  2022/08/17 03:24   60 years old level or over / An office worker / A public employee / Useful /
    Purpose of use
    What are the units of measure for a, b & h? It does not specify whether it is cm, m, in, or ft.
    from Keisan
    Plese read the FAQ page.
    [4]  2022/07/13 16:45   30 years old level / An office worker / A public employee / Very /
    Purpose of use
    Estimating size of thunderstorm system
    [5]  2022/04/20 03:14   30 years old level / High-school/ University/ Grad student / Useful /
    Purpose of use
    Calculating the angle of a slope
    [6]  2022/03/06 08:30   20 years old level / Self-employed people / Very /
    Purpose of use
    Determining the distance between someone on top of a battlement and a person on the ground in a game of D&D.
    [7]  2022/01/26 08:05   60 years old level or over / An office worker / A public employee / Very /
    Purpose of use
    Determine the average inclination angle (assumes constant slope) and actual distance traveled (hypotenuse) for an uphill hike of known horizontal distance and known elevation gain. Needed for planning a hike in which the slope is fairly constant and always uphill (> 0) on accent.
    [8]  2021/10/20 13:21   20 years old level / A homemaker / Very /
    Purpose of use
    Calculating the slope on a wheelchair ramp
    [9]  2021/09/22 04:36   30 years old level / An office worker / A public employee / Useful /
    Purpose of use
    Fabricating desk legs and calculation of materials.
    [10]  2021/07/07 17:48   30 years old level / An office worker / A public employee / Very /
    Purpose of use
    Trying to recreate Thales of Milete's calculation of the height of the Great Pyramid with nothing but a stick and the sun.

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