Diagonal BD

Find the length of the diagonal BD in a rectangular trapezoid ABCD with a right angle at vertex A when/AD / = 8,1 cm and the angle DBA is 42°

Correct answer:

u =  12.1053 cm

Step-by-step explanation:

d=8.1 cm A=42   sinA=d/u  u=d/sinA°=d/sin42° =8.1/sin42° =8.1/0.669131=12.105=12.1053 cm

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