Answer:
complementary
Step-by-step explanation:
The total angle is a right angle. Complementary angles are angles that add up to 90 degrees. Right angles are 90 degrees so the answer is complementary.
Answer:

Step-by-step explanation:
We have a 4-sided triangular pyramid
, where

Answer:
2
Step-by-step explanation:
it's 2
Answer:
Step-by-step explanation:
4^2= 4 x 4 =16
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