# Interactive video lesson plan for: NCERT Solutions for Class 10th Maths Chapter 13 Surface Areas and Volumes Ex 13.1

#### Activity overview:

http://www.learncbse.in/ncert-solutions-class-10th-maths-chapter-13-surface-areas-volumes/

NCERT Solutions for Class 10th Maths Chapter 13 Surface Areas and Volumes Ex 13.1

00:05 NCERT Solutions for Class 10th Maths Chapter 13 Surface Areas and Volumes Ex 13.1 Q1
2 cubes each of volume 64 cm are joined end to end. Find the surface area of the
resulting cuboid

02:45 Surface Areas and Volumes Ex 13.1 Q2 NCERT Solutions for Class 10 Maths
A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The
diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the
inner surface area of the vessel.

06:00 Surface Areas and Volumes Exercise 13.1 Q3
A toy is in the form of a cone of radius 3.5 cm mounted on a hemisphere of same radius.
The total height of the toy is 15.5 cm. Find the total surface area of the toy.

10:22 Surface Areas and Volumes Exercise 13.1 Q4
A cubical block of side 7 cm is surmounted by a hemisphere. What is the greatest
diameter the hemisphere can have? Find the surface area of the solid.

15:00 Surface Areas and Volumes Exercise 13.1 Q5
A hemispherical depression is cut out from one face of a cubical wooden block such
that the diameter lof the hemisphere is equal to the edge of the cube. Determine the
surface area of the remaining solid.

18:00 Surface Areas and Volumes Exercise 13.1 Q6
A medicine capsule is in the shape of a
cylinder with two hemispheres stuck to each
of its ends (see Fig. 13.10). The length of
the entire capsule is 14 mm and the diameter
of the capsule is 5 mm. Find its surface area.

22:00 Surface Areas and Volumes Exercise 13.1 Q7
A tent is in the shape of a cylinder surmounted by a conical top. If the height and
diameter of the cylindrical part are 2.1 m and 4 m respectively, and the slant height of the
top is 2.8 m, find the area of the canvas used for making the tent. Also, find the cost of
the canvas of the tent at the rate of Rs 500 per m
. (Note that the base of the tent will not
be covered with canvas.)
26:40 Surface Areas and Volumes Exercise 13.1 Q8
From a solid cylinder whose height is 2.4 cm and diameter 1.4 cm, a conical cavity of the
same height and same diameter is hollowed out. Find the total surface area of the
remaining solid to the nearest

.
32:00 Surface Areas and Volumes Exercise 13.1 Q8
A wooden article was made by scooping out a hemisphere from each end of a solid cylinder, as shown in Fig. 13.11. If the
height of the cylinder is 10 cm, and its base is of radius 3.5 cm, find the total surface area of the article.

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