A.tetrahedron
the triangular pyramid with all equalidral triangle faces becomes the tetrahedron
Answer:
i help to solve the problem
B
Multiply 35% by 200 and get 70
Add that 70 to 200 and you’ll get B which is 270
The only thing you can do here is to try to simplify, so I'll assume that's what you want to do.

The numerator is a difference of squares, so it's easy to factorize:

In the denominator, we factorize by grouping:

So we have

The answer is 45degrees. i dont know the solution but i had that question before and found the answser on yahoo answers and it was correct