In the first box is 2.
second box 1.
third 4.
fourth 5.
fifth 3.
Answer:
i can help but i will try my bes
Step-by-step explanation:
Angle (6) + Angle (7) = 180
Angle (6) + 57 = 180
Angle (6) = 180 - 57
Angle (6) = 123
------------
Angle (6) = Angle (8)
-----------
Therefore:
Angle (8) = 123 degrees
Answer:
In two dimensions there are 3 geometries: Euclidean, spherical, and hyperbolic. These are the only geometries possible for 2-dimensional objects, although a proof of this is beyond the scope of this book.
