Maths 2 Mark Question

A pentagonal pyramid has 6 faces, i.e. 1 pentagon and 5 triangles, namely NOPQM, SNM, SOP, SNO, SMQ and SQP.

A triangular prism has 9 edges, namely QR, RS, SQ, TU, UV, VT, RU, SV and QT.

A pentagonal prism has 10 vertices, namely A, B, C, D, E, F, G, H, I and J.

A cuboid has 12 edges, namely AD, DC, CB, BA, EA, FB, HD, DC, CG, GH, HE, and GF.

A triangular prism has 9 edges, namely QR, RS, QS, TU, TV, UV, QT, RU, and SV.

The Euler's relation for a three dimensional figure can be expressed in the following manner:
F - E + V = 2
Here,
F - Number of faces.
E - Number of edges.
V - Number of vertices.

A triangular prism has 5 faces (3 rectangular faces and 2 triangular faces), namely QRUT, QTVS, RUVS, QRS and TUV.

A triangular prism has 6 vertices, namely Q, R, S, T, U and V.

A tetrahedron has 4 vertices, namely K, L, M and N.

A rectangular pyramid has 8 edges, namely AB, AE, AD, AC, EB, ED, DC and CB.

A tetrahedron has 4 faces, namely KLM, KLN, LMN and KMN.

A pentagonal prism has 7 faces, i.e. 2 pentagons and 5 rectangles, namely ABCDE, FGHIJ, ABGF, AEJF, EDIJ, DCHI and CBGH.

A tetrahedron has 4 triangular faces, namely KLM, KLN, LMN and KMN.

A tertrahedron has 4 vertices, namely K, L, M and N.

A tetrahedron has 6 edges, namely KL, LM, LN, MN, KN and KM.

A square pyramid has 5 vertices, namely O, W, X, Y and Z.

A square pyramid has 5 faces (4 triangular faces and 1 square face), namely OWZ, OWX, OXY, OYZ and WXYZ.

A cube has 6 faces, namely IJKL, MNOP, PLIM, OKJN, POKL and MNJI.

A cuboid has 6 faces, namely ABCD, EFGH, HDAE, GCBF, HDCG and EABF.

A cube has 6 faces, namely IJKL, MNOP, PLIM, OKJN, LKOP and IJNM.

A square pyramid has 8 edges, namely OW, OX, OY, OZ, WX, XY, YZ and ZW.

A tetrahedron has 6 edges, namely KL, LM, MN, NL, KM and KN.

A square pyramid has 5 vertices, namely O, W, X, Y and Z.

A cuboid has 8 vertices, namely A, B, C, D, E, F, G and H.

A cuboid has 8 vertices, namely A, B, C, D, E, F, G and H.