There are different formulae for spheres, ellipsoids, cones and pyramids, paralellepipeds as well as some other shapes. For other shapes, including irregular shapes, the fluid displacement method may be the only option.
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triangular prism i don't if thats right somewhere else, but if you're from connexus its rectangular prism. Improved answer: I sense confusion between the question and the reply. A triangular prism has six vertices. An infinite amount of solid objects have more vertices. The question "Which solid figure has the least vertices" is probably the intended question, in which case the answer is a tetrahedron or spheroids. The tetrahedron has four vertices, the least number a solid with only planar surfaces can have. Of course any number of solids have no vertices, like the sphere and other spheroids.
this method works for any shape which is 3-D first find the formula of the shape lets say a cuboid (rectangular block) or known as rectangular prism its formula is H x W x L (Height x Width x length) lets say H=4 and W=30 finally L=15 15 x 30=450 so add 450+ 60+120=630 15 x 4=60 times it by two =1260 now minus the first number you got 4 x 30= 120 and there is your answer 1260-450=810 Answer=810 This was from the book bond Assesment book paper 4 question 25 thats how you work out Surface Area
No. A segment is a piece of something, and therefore finite.
an angle thats not included
2 thats it