A boy standing on a horizontal plane finds a bird flying at a distance of $100 m$ from him at an elevation of $3 0^{o}$ A girl standing on the roof of $20 m$ high building finds the angle of elevation of same bird to be $4 5^{o}$ . Both the boy and the girl are on opposite side of the bird. Find the distance of the bird from the girl.

\frac{30}{2}

302

102

\frac{10}{2}

Views: 778 students

Found 7 tutors discussing this question

Evelyn Discussed

A boy standing on a horizontal plane finds a bird flying at a distance of

100 m

from him at an elevation of

3 0^{o}

A girl standing on the roof of

20 m

high building finds the angle of elevation of same bird to be

4 5^{o}

. Both the boy and the girl are on opposite side of the bird. Find the distance of the bird from the girl.

9 mins ago

Discuss this question LIVE