Question

write the area of semicircle of radius 14 cm

Answer 1

area of semicircle = 1/2×pi×r²
                             = 1/2×22/7×14
                             = 22×14 cm²
                             = 308 cm² 

Answer 2

Area = pi r ^2/2
=22/7*14*14/2
=308cm^2