ABC,DEF and their areas are respectively 64cm2and 121cm2.if EF ,15.4cm find BC
Answers
Answered by
5
(ar.ABC) / (ar. DEF) = BC^2 / EF^2
=> 64 / 121 = BC^2 / 15.4^2
=> 8 / 11 = BC / 15.4
=> (8 / 11)*15.4 = BC
=> BC = 11.2cm
Similar questions