.
starting from his office stephen rode his bike 5 kms in the south direction then he took a left turn and rode his bike
for another 12 kms and reached his house how far is his house from the office represented in kilometres.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Do you see a right-angled triangle from your description?
They ask you about the hypotenuse of this triangle.
To find the length of the hypotenuse, apply the Pythagorean theorem.
The hypotenuse is = = = 13 km.
Answer. 13 km.