triangel with 1 side=10 & anuther side=15
angel=80 deg...me assume thats the angel tween em 2 sides
side3=16.51985
alfa=63.40635deg & beta=36.59365 deg
area=73.86058
hite=8.94204
rim leng=41.51985
top=(4.4766,8.94204)
inside serkel radius=3.55784
outside serkel radius=8.38735