Need to know the differences between regular Tic Tac Toe and cylindrical

A careful player can always guarantee at least a draw at regular tic tac toe. (a) Is this also true with cylindrical tic-tac-toe? Explain. (b) In cylindrical tic-tac-toe, can two players co-operate to play a draw? Explain. I know this must be simple but I can find nothing on it anywhere.

Three dimensional geometry - Find the dihedral angle of the pyramid shown in the attached figure.

Find the dihedral angle of the pyramid shown in the attached figure.

ABCD represents part of a uniform ski-slope

Please see the attached file.

A tent with a rectangular base ABCD

See attached file - thanks.

A surveyor is attempting to calculate the height of ...

The question is in the attached file.

Find perimeter of a square if area is equal to 2x2 + 9x -5.

Find perimeter of a square if area is equal to 2x2 + 9x -5.

Sine rule

Please see attached file.

Mid-Segment Theorem - Prove that the midsegment of a triangle is parallel to the third side and half as long.

Mid-Segment Theorem - Prove that the midsegment of a triangle is parallel to the third side and half as long. (Please see the attached file.)

An army cadet is involved in a compass exercise.

An army cadet is involved in a compass exercise. He leaves point O and walks 50m due west to point A. He then walks 80m due north to point B and finally 60m on a bearing of 320 deg to point C. a) Illustrate this information on a sketch b) Calculate the distance and bearing of B from O c) Calculate the distance and bearing ...continues

Orthogonal Circles - Define orthogonal circles using relevant diagrams.

Define orthogonal circles using relevant diagrams.