Question

Plz Solve This.....
ICSE Class 10 HeighTS And Distances

I Will Mark Him/Her Brainliest For Sure​

Answer 1

Answer:

in given figure in ABD

tan30=AB/BD

1/√3=AB/BD

1/√3=AB/40+x

40+x/√3=AB...(1)

in ABC

tan60=AB/BC

√3=40+x/√3/x

√3x=40+x/√3

3x=40+x

2x=40x=20m

and BD=40+20=60

tan30=AB/BD

1/√3=AB/60

AB=60/√3m

tree=60/√3m=34.64m

river=20m

Hope it helps........