Question

Raj goes 12km due east and then 5km due north. Find his distance from the starting point

Answer 1

It becomes a right angled triangle. So the answer is 13 km

Answer 2

given conditions infer that the path travelled by Raj is a right angeled triangle

x^2 = a^2 + b^2

x is the hypotenuse , also the length we need to find

a and b are given in the question

x= √(25+144) = 13 km