- - G - C - GK - PG -
In fig seg DH ⊥ seg EF and seg GK ⊥ seg EF. If DH = 12cm, GK= 20 cm and A(∆DEF) = 300 cm2 then find (i) EF (ii) A(∆GEF) (iii) A(⎕DFGE)