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[[Dhululubo]] Waa joomateri ay masaaxad saleedyadiisu yihiin goobo, taa oo masaaxada isku xirta salalku tahay laydi golxo leh
Bedka xaddidan

<math> A = 2\pi r^2 \,</math> + <math>  2\pi rh \,</math>
[[File:Cylinder geometry.svg|thumb|120pix|right|Dhululubo]]

Habka loo cabiro

(r) waa dhexroorka salka 

(h) waa jooga dhululubada 

(A) Waa bedka salka <math> A = \pi r^2 \,</math>

(P) Wareega Salka waxaana loo cabiri karaa sidaan <math> P = 2\pi r \,</math>

[[Bed]]ka

* [[Bed]]Ka dhinaca = Wareega Salka × Jooga = <math> P \times h </math>
* Bedka Salka Sare = <math> \pi r^2\,</math>
* Bedka Salka Hoose = <math> \pi r^2 \,</math>
* Bedka Guud = <math>( 2 \times \pi r^2 ) + (P \times h) </math>

[[Mug]]ga

[[File:Solid of revolution-Cylinder.svg|thumb|right|300pix|Dhululubo socod waniin]]
: Mugga waxaa lagu helaa:
: (V) = <math>  \pi r^2h \,</math>
:: Iyadoo la isku dhufto Bedka salka iyo jooga = <math> A \times h </math>
: Sidoo kale Habkaan 
::Adigoo sidaan u cabira = <math> \pi \times \int_0^h[d(x)]^2 dx </math>

[[Category:Dul]]