Draw and verify Euler's Formula for :(1)Square Pyramid (2)Triangular Prism (3)Rectangular Prism
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https://www.meritnation.com/ask-answer/question/tell-faces-edges-and-vertices-of-triangular-prism-square/visualising-solid-shapes/11058729
https://www.meritnation.com/ask-answer/question/verify-eulers-formula-for-1-square-pyramid-2-triangu/math/10319231
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