CBSE Class 10 Maths Notes Chapter 13 Surface Areas and Volumes Pdf free download is part of Class 10 Maths Notes for Quick Revision. Here we have given NCERT Class 10 Maths Notes Chapter 13 Surface Areas and Volumes.

## CBSE Class 10 Maths Notes Chapter 13 Surface Areas and Volumes

**SURFACE AREA AND VOLUME OF COMBINATIONS**

**Cone on a Cylinder.**

r = radius of cone & cylinder;

h_{1} = height of cone

h_{2} = height of cylinder

Total Surface area = Curved surface area of cone + Curved surface area of cylinder + area of circular base

= πrl + 2πrh_{2} +πr^{2};

Slant height, l =

Total Volume = Volume of cone + Volume of cylinder

=

**Cone on a Hemisphere:**

h = height of cone;

l = slant height of cone =

r = radius of cone and hemisphere

Total Surface area = Curved surface area of cone + Curved surface area of hemisphere = πrl + 2πr^{2}

Volume = Volume of cone + Volume of hemisphere =

**Conical Cavity in a Cylinder**

r = radius of cone and cylinder;

h = height of cylinder and conical cavity;

l = Slant height

Total Surface area = Curved surface area of cylinder + Area of bottom face of cylinder + Curved surface area of cone = 2πrh + πr^{2} + πrl

Volume = Volume of cylinder – Volume of cone =

**Cones on Either Side of Cylinder.**

r = radius of cylinder and cone;

h_{1} = height of cylinder

h_{2} = height of cones

Slant height of cone, l =

Surface area = Curved surface area of 2 cones + Curved surface area of cylinder = 2πrl + 2πrh_{1}

Volume = 2(Volume of cone) + Volume of cylinder =

**Cylinder with Hemispherical Ends.**

r = radius of cylinder and hemispherical ends;

h = height of cylinder

Total surface area= Curved surface area of cylinder + Curved surface area of 2 hemispheres = 2πrh + 4πr^{2}

Volume = Volume of cylinder + Volume of 2 hemispheres =

**Hemisphere on Cube or Hemispherical Cavity on Cube**

a = side of cube;

r = radius of hemisphere.

Surface area = Surface area of cube – Area of hemisphere face + Curved surface area of hemisphere

= 6a^{2} – πr^{2} + 2πr^{2} = 6a^{2} + πr^{2}

Volume = Volume of cube + Volume of hemisphere =

**Hemispherical Cavity in a Cylinder**

r = radius of hemisphere;

h = height of cylinder

Total surface area = Curved surface area of cylinder + Surface area of base + Curved surface area of hemisphere

= 2πrh + πr^{2} + 2πr^{2} = 2πrh + 3πr^{2}

Volume = Volume of cylinder – Volume of hemisphere =

### NCERT Notes for Class 10 Maths

- Chapter 1 Real Numbers Class 10 Notes
- Chapter 2 Polynomials Class 10 Notes
- Chapter 3 Pair of Linear equations in Two Variables Class 10 Notes
- Chapter 4 Quadratic Equations Class 10 Notes
- Chapter 5 Arithmetic Progressions Class 10 Notes
- Chapter 6 Triangles Class 10 Notes
- Chapter 7 Coordinate Geometry Class 10 Notes
- Chapter 8 Introduction to Trigonometry Class 10 Notes
- Chapter 9 Some Applications of Trigonometry Class 10 Notes
- Chapter 10 Circles Class 10 Notes
- Chapter 11 Constructions Class 10 Notes
- Chapter 12 Areas related to Circles Class 10 Notes
- Chapter 13 Surface Areas and Volumes Class 10 Notes
- Chapter 14 Statistics Class 10 Notes
- Chapter 15 Probability Class 10 Notes

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