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1. An Aeroplane leaves an airport and flies due north at a speed of 1000 \(km/hr\). At the same time, another aeroplane leaves the same airport and flies west at a speed of 1200 \(km/hr\). How far apart will be the two planes after \(1\frac{1}{2}\) hours?
The distance between two aeroplanes after \(1\frac{1}{2}\) hours \(=\)
The theorem used to find the distance between two aeroplanes \(=\)
2. An insect \(8 \ m\), away initially from the foot of a tall lamp post which is \(6 \ m\), crawls towards it moving through a distance. If its distance from the top of the lamp post is equal to the distance it has moved, how far is the insect away from the foot of the lamp post?
Answer:
The insect is \(m\) away from the foot of the lamp post.
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