Triangle ABC and triangle DEF are equilateral triangles. A( triangleABC) :A( triangle DEF) = 1:9, AB= 9,then DE=
Answers
Answered by
0
Answer:
Δ ABC and Δ DEF are equilatera
l triangles .If A ( Δ ABC ) : A ( Δ
DEF ) = 1 :2 and AB = 4 , find DE
Consider , A ( Δ ABC ) : A ( Δ
DEF ) = 1 :2 A (ΔABC)A (ΔDEF) = 12 AB^2DE^2 =
12 DE^2 = 2AB^2 DE^2 = 2 × 4^2 [ AB = 4] DE =
√(32) DE = 4√(2)
Similar questions