Find the missing length. 10 4 с C= ✓ [?] Pythagorean Theorem: a2 + b2 = c2
2 answers:
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Answer:
-82
Step-by-step explanation:
Maybe you want the determinant of ...
The determinant of a 2×2 matrix is the difference of the products of elements on the down diagonal and the up diagonal:
D = (5)(-2) -(8)(9) = -10 -72 = -82
The determinant of this matrix is -82.