Logical Math Riddles for 8th Class: There’s no better exercise ... of each row multiplied by 2 gives the number presented in the last two cells. (3 + 2) x 2 = 10 (1 + 9) x 2 = 20 (0 + 8) x ...

Triangular prisms have 5 flat faces. 2 are triangle shaped and 3 are rectangle shaped. Everyday things that have the shape of a triangular prism include a tent and a slice of cake.