RS Aggarwal Class-9 Volume And Surface Area of Solids ICSE Goyal Brothers Prakashan Solutions Chapter-19. We provide step by step Solutions of Exercise / lesson-19 Volume And Surface Area of Solids for ICSE Class-9 RS Aggarwal Mathematics .
Our Solutions contain all type Questions with Exe-19 and Notes on Volume And Surface Area of Solids to develop skill and confidence. Visit official Website CISCE for detail information about ICSE Board Class-9 Mathematics.
| Board | ICSE |
| Publications | Goyal brothers Prakshan |
| Subject | Maths |
| Class | 9th |
| Chapter-19 | Volume And Surface Area of Solids |
| Writer | RS Aggrawal |
| Book Name | Foundation |
| Topics | Solution of Exe-19 and Notes on Volume And Surface Area of Solids to develop skill and confidence. |
| Academic Session | 2021-2022 |
RS Aggarwal Class-9 Volume And Surface Area of Solids ICSE Goyal Brothers Prakashan Chapter-19
– : Select Topics : –
Notes on Volume of Solids
Volume Formulas of Solid Figures
Some of the formulas to find out volumes of basic shapes are –
| Shapes | Volume Formula | Variables |
|---|---|---|
| Rectangular Solid or Cuboid | V = l × w × h | l = Length,
w = Width, h = Height |
| Cube | V = a3 | a = length of edge or side |
| Cylinder | V = πr2h | r = radius of the circular edge,
h = height |
| Prism | V = B × h | B = area of base, (B = side2 or length.breadth)
h = height |
| Sphere | V = (4⁄3)πr3 | r = radius of the sphere |
| Pyramid | V = (1⁄3) × B × h | B = area of the base,
h = height of the pyramid |
| Right Circular Cone | V = (1⁄3)πr2h | r = radius of the circular base,
h = height (base to tip) |
Exercise 19 , RS Aggarwal Class-9 Volume And Surface Area of Solids ICSE Goyal Brothers Prakashan
Page 235-237
Question-1
Find the volume and total surface area and the lateral surface area of a rectangular solid having :
(i) Length =8.5 m, breadth = 6.4 m and height = 50 cm.
(ii) Length =5.6 dm, breadth = 2.5 dm and height = 1 m.
Question-2
The volume of a …………………………….. of the wall.
Question-3
………………………….
…………………………
………………………
Question-8
The cost of papering the four walls of a ……………………………… of the room.
Question-9
………………………
………………………..
Question-13
The surface area …………………. Find:
(i)…………….
(ii)…………….
(iii)……………….
Question-14
………………………..
………………………….
Question-19
The areas of …………………………… prove that v² = xyz
Question-20
………………………..
………………………….
Question-25
The adjoining ……………………… 20 m find:
Question-26
……………………………..
………………………………
Question-29
The cross- section of a tunnel. perpendicular to its length ……………………… length is 40 m.
(i)………………
(ii)…………………
–: End of RS Aggarwal Class-9 Volume And Surface Area of Solids Solutions :–
Return to – RS Aggarwal Solutions for ICSE Class-9 Goyal Brothers Prakashan
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