Assignment:
Q1. Find the area of the isosceles triangle in which each of the equal sides is 14.72 in and the vertex angle is 47° 28' .
Q2. Find the radius of the inscribed circle and the radius of the circumscribed circle for the following obliqe triangle :
a) = 12.7 , b = 21.5, and c = 28.6
Provide complete and step by step solution for the question and show calculations and use formulas.