Surface Area and Volume Chapter 12|. Class - 10th| पृष्ठीय क्षेत्रफल और आयतन

0:15 — Problem 1: The Cone-Hemisphere Toy 1:12 | Analyzing Dimensions: Radius (3.5 cm) and Total Height (15.5 cm) 2:52 | Calculating the Slant Height (l) using the Pythagorean Theorem: l = \sqrt{r^2 + h^2} 6:54 | Calculating Curved Surface Area (CSA) of the Cone (\pi rl) 7:57 | Calculating CSA of the Hemisphere (2\pi r^2) 9:48 | Formula for Total Surface Area of the Toy 10:16 | Final Result: 214.5 cm² 10:28 — Problem 2: Cubical Block with Hemispherical Depression 11:33 | Calculating Surface Area of the Cube (6a^2) 11:39 | Identifying Side Length (a = 7 \text{ cm}) 13:09 | Determining Maximum Diameter of the Depression 13:53 | Calculating CSA of the Hemispherical Inner Surface 14:50 | Explaining why we subtract the circular base (\pi r^2) 15:37 | Combining the parts: Total Area = Cube Area + Hemisphere CSA - Base Area 16:25 | Final Result: 332.5 cm² 17:30 — Problem 3: Medicine Capsule Geometry 18:09 | Dimensions: Total Length (14 mm) and Diameter (5 mm) 19:04 | Finding the Radius (r = 2.5 \text{ mm}) 19:48 | Calculating Area of two Hemispheres (Full Sphere: 4\pi r^2) 21:17 | Calculating the Height of the Cylindrical Middle Section 21:31 | Calculating CSA of the Cylinder (2\pi rh) 23:13 | Summing the areas for the total capsule surface 24:24 | Final Result: 220 mm² 1. prashnavali 12.1class 10th math 2.prashnavali 12.1 class 10th math 2. class 10 maths chapter 12.1 3. class 10 maths chapter 12.1 question 4. 10 class ka math 12.1 ka 4 number 5. prashnawali 12.1 class 10th full solution 6. ncert math class 10th trigonometry 9. trigonometry class 10th exercise 12.1 10.math class 11th full solutions 11.prashnawali 12.1 class 10th in hindi ……………. Old book ……………. 12.prashnavali 13.1 class 10th math 13.prashnavali 13.1 class 10th math 14. class 10 maths chapter 13.1 15. class 10 maths chapter 13.2 question 16. 10 class ka math 13.1 ka 4 number 17. prashnawali 13.1 class 10th full solution 18. ncert math class 10th trigonometry 19. trigonometry class 10th exercise 13.1 10.math class 10th full solutions 11.prashnawali 13.1 class 10th in hindi #Class10 #CBSE #UPBoard #BoardExam2025 #StudyTips