Math, asked by akshita88990, 2 months ago

slant height of cone formed by rolling a semicircle of diameter 28cm​

Answers

Answered by amitnrw
1

Given : cone formed by rolling a semicircle of diameter 28cm​

To Find : slant height of cone formed

Solution:

Diameter of circle = 28 cm

=> Radius of circle = diameter /2  = 28/2  = 14 cm  

When arc of circle is rolled to form a cone

Then radius of arc become slant height of cone

hence  slant height of cone formed will be 14 cm  

Additional Info :

and perimeter of base of cone = arc length

=> perimeter of base of cone  = 14π

=> radius of cone = 7 cm

slant height of cone formed will be 14 cm  

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