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...
1. Introduction Cube of a number: The number multiplied by itself three times. Cube root of a number: The value which, when multiplied by itself three times, gives the original number. Key...
1. Introduction Square of a number: The product of a number multiplied by itself. Square root of a number: The value which, when multiplied by itself, gives the original number. Key Concept: Squaring...
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/...