Distance and Direction Reasoning Formulas - ObjectiveBooks
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# Distance and Direction Reasoning Formulas

This chapter deals with the linear distance and direction between two points in two dimensional planes. To solve the problems based on distance and direction the sense of direction and standard Trigonometrical ratios are important.

1. The angle and direction

2. The standard Trigonometrical ratio table

3. In any right angled triangle, +=

Example: No 01
A man went 15 kms to the North. Then he turned West and covered 10 kms. Then he turned South and covered 5 kms. Finally, turned to East, he covered 10 kms. In which direction is he from his house?
(A) West
(B) East
(C) North
(D) South

Explanation:

Example: No 02
A boy walks a while facing towards the sun, then he turns to his right and continues to walk. Later he turns left and finally, turning to his right, he stops. Which direction is he facing now?
(A) North
(B) South
(C) East
(D) West