Find the area of canvas required for a conical tent of height 24 m and base radius 7 m.

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Solution

Base radius of conical tent (r)=7 m and height (h)=24 m

$∴ S l a n t h e i g h t (l) = \sqrt{r^{2} + h^{2}} = \sqrt{(7)^{2} + (24)^{2}} = \sqrt{49 + 576} = \sqrt{625} = 25 m N o w a r e a o f c a n v a s u s e d f o r i t = π r l = \frac{22}{7} \times 7 \times 25 = 550 m^{2}$

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Find the area of canvas required for a conical tent of height 24 m and base radius 7 m.

Base radius of conical tent (r)=7 m and height (h)=24 m ∴ Slant height (l)=√r2+h2=√(7)2+(24)2=√49+576=√625=25 mNow area of canvas used for it=πrl=227×7×25=550 m2

Base radius of conical tent (r)=7 m and height (h)=24 m

$∴ S l a n t h e i g h t (l) = \sqrt{r^{2} + h^{2}} = \sqrt{(7)^{2} + (24)^{2}} = \sqrt{49 + 576} = \sqrt{625} = 25 m N o w a r e a o f c a n v a s u s e d f o r i t = π r l = \frac{22}{7} \times 7 \times 25 = 550 m^{2}$