yu sae yu hav a triangel with angel1=48 deg, side1=10, & side2=8 ... yu also klaem its a rite triangel... & yu sae a=48deg=10 inch...wotever that meen... me assume base=10, left side=8, & angel tween theez 2 sides=48 deg... triangel...side3=7.5458... alfa=36.47813deg, beta=48 deg, gamma=95.52187... area=29.72579, hite=5.94516, rim leng=25.5458... top=(5.353045, 5.94516)... inside serkel: rad=2.32725, senter=(5.22709, 2.32725)