Question

If the surferce area of cone is 220 and slant height is 10cm find the value of base circle radius

Answer 1

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→If the surferce area of cone is 220 and slant height is 10cm find the value of base circle radius

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⇒Given:

• C.S.A. of Cone = 220 cm
• L = 10 cm

⇒To Find:

• r = ?

⇒Solution:

⇒$10\times \frac{22}{7}\times r=220$

⇒$r=\frac{{\cancel{220}}\times 7}{{\cancel{22}}\times {\cancel{10}}}$

⇒$\huge{\pink{\overbrace{\underbrace{r=7\:cm}}}}$

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Formulas Used :-

• $C.S.A. = \pi \times r \times l$

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