Additional practice Questions Mathematics standard CBSE Class -10
1) The coordinates of the centre of the circle, O, and a point on the circle, N, are shown in the figure below. What is the radius of the circle? (a)√0.4 units (b) 2 units (c) 4 units (d) √42.4 units Ans: (b) 2 units For Video explanation Click : https://youtu.be/kdX8vne7mQU 2) Harsha made a wind chime using a frame and metal rods. She punched 8 holes in the frame, each 2 cm apart, and then hung 6 metal rods from the frame, as shown in the figure below. The ends of the metal rods are aligned over a line, shown by the dotted line in the figure. If all of the rods are straight and not swaying, then what is the length of Rod P ? (a) 69/7cm (b) 53/5cm (c) 76/5cm (d) 111/7 cm Ans :(d) 111/7 cm For Video explanation Click : https://youtu.be/VUwJU29_B0s 3)In the figure below, PQRS is a square. What is the value of sin ∠SPT? (a) 8/17 (b) 8/15 (c) 15/17 ...