Make fMat be a 5x3 matrix of random integers with values from -3 to 3
(Hint: use randi)
Test for randomness could be tightened (cf. Solution 1490988).
surface of a spherical planet
find radius of cone
02 - Vector Variables 4
Is this triangle right-angled?
Check that number is whole number
07 - Common functions and indexing 2
02 - Vector Variables 1
07 - Common functions and indexing 4
03 - Matrix Variables 2
03 - Matrix Variables 4
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