(1)正三棱锥:侧棱长=√[(a²/3)+h²].
斜高=√[(a²/3)+h²-a²/4] =√[(a²/12)+h²].
(2)正四棱锥:侧棱长=√[(a²/2)+h²].
斜高=√[(a²/2)+h²-a²/4] =√[(a²/4)+h²].
(3)正六棱锥:侧棱长=√(a²+h²),
斜高=√(a²+h²-a²/4) =√[(3a²/4)+h²].
(1)正三棱锥:侧棱长=√[(a²/3)+h²].
斜高=√[(a²/3)+h²-a²/4] =√[(a²/12)+h²].
(2)正四棱锥:侧棱长=√[(a²/2)+h²].
斜高=√[(a²/2)+h²-a²/4] =√[(a²/4)+h²].
(3)正六棱锥:侧棱长=√(a²+h²),
斜高=√(a²+h²-a²/4) =√[(3a²/4)+h²].