Sin 3θ = 0
3θ = sin^-1 0 = nπ
θ = nπ/3
4 because 2 shoes for each stock pair and 4 × 2 = 8
Answer:
BE = 22.4 cm
Step-by-step explanation:
Δ CAB and Δ CDE are similar , then ratios of corresponding sides are equal, that is
=
, substitute values
=
( cross- multiply )
8 CE = 128 ( divide both sides by 8 )
CE = 16 cm
Then
BE = BC + CE = 6.4 + 16 = 22.4 cm