Class 8 Mathematics – Comparing Quantities 1. Introduction Comparing quantities means analyzing how one quantity relates to another. Useful in daily life, business, and finance. Main...
Question: In a cyclic quadrilateral ABCD, AB = 4, BC= 5, CD = 9 and DA = 5. Find the length of the diagonal AC. (1) 8 (2) 7 (3) 6 (4) √61. Solution: AC*BD = 36+25 = 61 AC/BD = 20+45/...
Formal Letter Format (Block Style) Sender's Address: Your address (postal format). Date: The date the letter is written. Recipient's Address: Name, title, and address of the person/company. Subject...
Class 8 Science – Sound: Production and Propagation 1. Introduction Sound is a form of energy that produces a sensation of hearing. It is produced when an object vibrates and creates...