Question

Light house is a tower which is designed to emit light from a system of lamps and to serve as a navigational aid for maritime pilots at sea. Two boats approaching a light house in mid sea from opposite direction as shown in figure. The angle of elevation of light house both boats are also given.

Your answer____________

(i) Distance BP =
(A) CP
(B) AP
(C) AB
(D) AC

(ii) Height of light house AP =
(A) 40√3m
(B) 80m
(C) 40(√3 – 1)m
(D) 40(√3 + 1)m

(iii) Distance PC =
(A) 40(√3 – 1)m
(B) 40(3 – √3)m
(C) 40(√3 + 1)m
(D) 40(3 + √3)m

(iv) Distance AC =
(A) (80√3 – 1)m
(B) (80√3 + 1)m
(C) 80(√3 – 1)m
(D) 80(√3 + 1)m

(v) Distance AB =
(A) 40√6m
(B) 40√2m
(C) 40(√6 + √2)m
(D) 40(√6 – √2)m​

Answer 1

Answer:

1. (B) AP
2. $\: \: \: \: \: \: \: \: \:$

Answer 2

Answer:

I) b) AP

ii) a)

iii) a)

iv) ?

Step-by-step explanation:

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