Opposite lateral faces of a rectangular pyramid are congruent.
I think is OPPOSITE .
Answer:
y = -2
Step-by-step explanation:
I think every angle below 90 degrees
For the first one it is 4n^2-4
Answer:
490.0...
Step-by-step explanation:
4.9 x 10^2
(squared)
4.9 x 10 x 10
the easiest way to do this is to move the decimal 2 places to the right, as
10 x 10 = 100
4.9 x 100 = 490.0...
