14 if the triangular cross section has a right triangle, 12 otherwise.
18
A octagonal prism has 32 right angles!!!!!
It depends on the prism. A prism that has a regular pentagon as base but is not a right prism has no right angles. At the other extreme, consider a right prism whose bases are pentagons that resemble a child's drawing of a house (square with a triangle roof). If the angles of the roof triangle are 90-45-45, the prism will have 22 right angles.
If a triangular based pyramid has any right angles it has three. (Think of the corner of a cube). There are many triangular based pyramids that do not have any right angles.
8
Zero!
A triangular block prism has four right angles on each of the three faces, so the total 'on all the faces' = 12.
14 if the triangular cross section has a right triangle, 12 otherwise.
A triangular prism has three rectangular faces which, between them, will have 4*3 = 12 right angles. It also has two triangular faces and these can have another 2 right angles. So the answer is 12 or 14, depending on whether the triangles are right angled or not.
A triangular prism has a total of nine angles. Each of the two triangular faces has three angles, totaling six angles. The three rectangular faces each have one right angle, adding three more angles. So, the total number of angles in a triangular prism is 6 + 3 = 9 angles.
18
3
In a general triangilar prism, none.In a right triangular prism, three pairs and one triplet.In a general triangular prism, none. In a right triangular prism, three pairs and one triplet.
A octagonal prism has 32 right angles!!!!!
A octagonal prism has 32 right angles!!!!!
There are no right angles in an Octagon, nor a Prism