# Scalene triangle Calculator

## Calculates the other elements of a scalene triangle from the selected elements.

 select elements a b c a b h (C:aute) a b h (C:obtuse) b c h (B and C:acute) b c h (B or C:obtuse) a b C a h C B C a B C h S a b (C:aute) S a b (C:obtuse) S B C S a C S h C 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit
 $\normal Scalene\ triangle\\\vspace{5}(1)\ height:\hspace{10}h=b\cdot sinC=c\cdot sinB\\(2)\ angle:\hspace{12}B=sin^{\small-1}{\large\frac{h}{c}}\ ,\hspace{20}C=sin^{\small-1}{\large\frac{h}{b}}\\(3)\ side:\hspace{25} c=\sqrt{a^2+b^2-2ab\cdot cosC}\\(4)\ area:\hspace{25}S={\large\frac{1}{2}}ah={\large\frac{1}{2}}ab\cdot sinC\\\hspace{100}={\large\frac{1}{2}}a^2{\large\frac{sinBsinC}{sin(B+C)}}\\\hspace{100}=\sqrt{s(s-a)(s-b)(s-c)}\\\vspace{2}\hspace{200}s={\large\frac{a+b+c}{2}}\\$

Scalene triangle
 [1-10] /23 Disp-Num5103050100200
[1]  2019/03/16 00:31   Male / Under 20 years old / High-school/ University/ Grad student / Useful /
Purpose of use
Making sure my TI-Basic version should actually work
Comment/Request
I'd like to be able to see the equations used for each case. (Though maybe I should debug rather than rewrite it to run a ton of case-by-case...)
[2]  2019/01/15 00:37   Male / 40 years old level / An engineer / Very /
Purpose of use
Light fixture beam angle math check.
[3]  2018/12/08 23:18   Male / Under 20 years old / Elementary school/ Junior high-school student / Very /
Purpose of use
revision
[4]  2018/06/05 11:22   Female / Under 20 years old / High-school/ University/ Grad student / - /
Purpose of use
Help with grade 11 university preparation math.
[5]  2018/03/22 14:37   Male / 30 years old level / An engineer / Very /
Purpose of use
Calculate angles in triangle for crane rigging check
[6]  2017/10/21 01:29   Female / Under 20 years old / High-school/ University/ Grad student / Not at All /
Purpose of use
i need to find x for the inner triangle
Comment/Request
i need to find x for the inner triangle
[7]  2017/05/09 06:07   Female / Under 20 years old / Elementary school/ Junior high-school student / Very /
Purpose of use
how to calculate h ? i have just a and b and c
tnx
[8]  2016/03/18 07:42   Male / 20 years old level / Others / Very /
Purpose of use
Complete an assignment finding all angles and the ratio of similar triangles
[9]  2016/02/04 04:08   Male / 60 years old level or over / A retired people / Very /
Purpose of use
Calculating the angles for the bracing to build a roof truss for a house.
Comment/Request
Very easy to use. Much better than getting my Trig. book out.
[10]  2015/04/28 02:26   Male / 60 years old level or over / Self-employed people / Very /
Purpose of use
To determine height of several sizes of Scalene triangles for sound absorbing "cloud" ceiling panels.

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