A drone

A flying drone aimed the area for an architect. He took off perpendicularly from point C to point D. He was 300 m above ABC's plane. The drone from point D pointed at a BDC angle of 43°. Calculate the distance between points C and B in meters.

Correct answer:

x =  279.7545 m

Step-by-step explanation:

CD=300 m BDC=43  DCB=90   δ=BDC° rad=BDC° 180π =43° 1803.1415926 =0.75049   tan δ = BC / CD  tan δ = x / CD  x=CD tan(δ)=300 tan(0.7505)=279.7545 m

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