Mathematics
In △ABC, ∠A = 30° and ∠B = 90°. If AC = 8 cm, then its area is 1. cm<sup>2</sup> 2. 16 cm<sup>2</sup> 3. cm<sup>2</sup> 4. cm<sup>2</sup>
Related Questions
The angle of elevation of the top of a tower from a point A (on the ground) is 30°. On walking 50 m towards the tower, the angle of elevation is found to be 60°. Calculate :
(i) the height of the tower (correct to one decimal place)
(ii) the distance of the tower from A.
An aeroplane 3000 m high, passes vertically above another aeroplane at an instant when the angles of elevation of the two aeroplanes from the same point on the ground are 60° and 45° respectively. Find the vertical distance between the two planes.