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Slant height of a square pyramid is 10cm, height 6cm .Calculate total length of the edges. |
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Answer» Slant height =10 cm, height = 6 cm Base edge/2 = \(\sqrt{(10)^2-(6)^2}\) = \(\sqrt{100-36}\) = \(\sqrt{64}\) = 8 cm Base edge = 16 cm lateral edge = \(\sqrt{100+64}=\sqrt{100+64}\) = \(\sqrt{164}\) = \(2\sqrt{41}\) cm Length of total edges = 4 x 16 + 4 x \(2\sqrt{41}\) = \(64+8\sqrt{41}\) cm |
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