Chapter 4 :- Quadrilateral Class 8 Ganita Prakash
FIGURE IT OUT (i) Rectangle ABCD Given:ABCD is a rectangle.The diagonals AC and BD intersect.∠CAB = 30°. Solution: Since ABCD is a rectangle, ∠DAB = 90° Therefore, ∠DAC + ∠CAB = 90° ∠DAC + 30° = 90° ∴ ∠DAC = 60° Since opposite sides of a rectangle are parallel, AB ∥ DC Therefore, ∠DCA = […]
Chapter 1 A Square and a Cube
A Square and A Cube: Chapter Solutions Page 1 Question: ? Before the process begins, Khoisnam realises that he already knows which lockers will be open at the end. How did he figure out the answer? Hint: Find out how many times each locker is toggled. Solution: Khoisnam realized that a locker will remain open […]
Class 8 : Ganita Prakash : Chapter 1 : A Square and A Cube : All Textbook Solution
Page 1 Question: Before the process begins, Khoisnam realises that he already knows which lockers will be open at the end. How did he figure out the answer? Solution: He realised that a locker will only remain open if it is touched an odd number of times. The number of times a locker is touched […]