Question

application of trignomertry 14​

Answer 1

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Let the initial position A of balloon change to B after some time and CD be the girl.

In △△ ACE, AECE=tan60∘

AF−EFCE=tan60∘

88.2−1.2CE

=√387CE

=√3CE

=g7√3

=29√3mAECE

=tan⁡60∘

AF−EFCE=tan⁡60∘

88.2−1.2CE

=387CE=

3CE

=g73

=293m  In ΔBCG,BGCG=tan30∘88.2−1.2CG=1√3 Distance travelled by balloon =EG=CG−CE=(87√3−29√3)m=58√3m

Answer 2

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