Question

Q1.
Radius 7cm
Height of cone = 24cm
The surface of the figure is = ?​

Answer 1

Step-by-step explanations

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Answer 2

Answer:

r=7cm

h=24cm

$l^{2} =r^{2} +h^{2} \\\\l^{2}=7^{2} +24^{2} \\\\l^{2} =625\\\\l=\sqrt{625}\\\\l =25cm$

Surface area of cone=π r(r+l)

=22/7×7(7+24)

=22×31

=682cm^2

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