Question

Example-7. Find the slant height and vertical height of a Cone with radius 5.6 cm and curved
surface area 158.4 cm².
only​

Answer 1

Step-by-step explanation:

Radius =5.6 cm, vertical height =h, slant height = l

Curved Surface Area of cone =πrl

=158.4cm^2

=> 22/7 x 5.6 x 1 = 158.4

=> 1 = 158.4 x 7/22 x 5.6 = 18/2 = 9 cm

We know l^2 = r^2 + h^2

h^2 = l^2 - r^2

= 81 - 31.36

= 49.64

therefore, h = 7.05 cm (approx)

Answer 2

Answer:

Slant height = 9 cm

Vertical height = 7 cm

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