"Measuring angles of different types of quadrilaterals and deriving a principle of mathematics from their sum." It is related to which nature of mathematics?
Inductive logic
Arriving at a general mathematical principle by measuring several specific examples (quadrilaterals) and generalizing from the pattern is the essence of inductive logic.
Many occupations such as accountancy, banking, shop-keeping, tailoring etc. requires mathematics directly or indirectly. This is an explanation of __________ value of Mathematics.