Calculus II, Section6.2, #56 Volumes S is the …

The right triangle formed by the altitude has base −y+1 2 because the altitude to the base of an isosceles triangle (and an equilateral triangle is certainly an isosceles triangle) bisects the base (and the vertex angle.) In a 30-60-90 triangle, the long leg (opposite the 60 1Stewart,Calculus,EarlyTranscendentals, p. … ................
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