1.

1). 6 cm2). 8 cm3). 12/√3 cm4). 6√3 cm

Answer»

GIVEN, slant height L = 12 cm

Let the BASE RADIUS be r. We have

Curved Surface AREA = πrl

⇒ 226.08 = 3.14 × r × 12

⇒ r = 6 cm

∴ Vertical height $(= \;\sqrt {{l^2}\;-\;{r^2}} \; = \sqrt {{{12}^2} - {6^2}} = \sqrt {108} = 6\sqrt 3 )$ cm


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