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The slant height of a square pyramid is 12 cm, lateral edge 13 cm. Calculate height |
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Answer» Slant height = 12 cm lateral edge = 13 cm \(\frac{base\,edge}{2}\) = \(\sqrt{(lateral\,edge)^2-(slant\,height)^2}\) = \(\sqrt{(13)^2-(12)^2}\) = \(\sqrt{169-144}\) = \(\sqrt{25}\) = 5 cm base edge = 10 cm Height = \(\sqrt{(12)^2-(5)^2}\) = \(\sqrt{119}\) cm |
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