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the cylidrical cap at the top has no given hight? is it really possible to solve this? Or am i missing somthing obvious?

 Jul 27, 2021
 #1
avatar+35059 
+3

The HEMISPHERICAL cap has a 'height'   equal to the radius = 20  cm

Surface area of a sphere = 4 pi r^2     <====== take 1/2 of this because it is a HEMI-sphere

 Jul 27, 2021
 #2
avatar+198 
+1

Oh I see! I get it. Thanks!

Elijah  Jul 27, 2021

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