ठोस Frustum का पूर्ण पृष्ठ का सूत्र क्या होता है? Thos Frustum Ka Purn Prist Ka Sutra Kya Hota Hai?
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ठोस Frustum का पूर्ण पृष्ठ का सूत्र क्या होता है? Thos Frustum Ka Purn Prist Ka Sutra Kya Hota Hai?

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Thos Frustum Ka Purn Prist Ka Sutra

ठोस Frustum का पूर्ण पृष्ठ का सूत्र (Thos Frustum Ka Purn Prist Ka Sutra) —

$S=\pi L(R+r)+\pi\left(R^2+r^2\right)$

     $=\pi(R+r)(L+R+r)-2 \pi R r$

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