Question

the area of the largest triangle inscribed in a semicircle of radius 18 centimetres

Answer 1

Data and Explanation

the area of the largest triangle inscribed in a semicircle of radius 18 centimetres

r=18cm

Formula to solve,

Area of triangle= 1/2 * 2r * r  

Area of triangle= 1/2 * 2r * r =1/2*2(18)*18

Area of triangle=r*r=r^2=18*18

Answer:

Area of triangle=324cm²

figure is attached also for reference.