Write down the number of edges of each of the following figures:

Question:

Write down the number of edges of each of the following figures:

(i) Tetrahedron

(ii) Rectangular pyramid

(iii) cube

(iv) Triangular prism

Solution:

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


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


(iii)  A cube has 12 edges, namely PL, LK, KO, OP, MN, NJ, JI, IM, PM, LI, ON and KJ.


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

Leave a comment

Close
faculty

Click here to get exam-ready with eSaral

For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.

Download Now