a vertical pole has two marks at Q and R such that the portion PQ,RS and PS subtend angle alpha, - Maths - Some Applications of Trigonometry

Question

a vertical pole has two marks at Q and R such that the portion
PQ,RS and PS subtend angle alpha, beta , gamma at a point x from
the pole If PQ=a, PR=b and PS=c and alpha+beta+gamma=180° then
x^2=???

Ahmad · Answer

answer
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5b6d7be31b577%20png">

a vertical pole has two marks at Q and R such that the portion PQ,RS and PS subtend angle alpha, beta , gamma at a point x from the pole. If PQ=a, PR=b and PS=c and alpha+beta+gamma=180° then x^2=???