Answer:
k = 42
Explanation:
That's a right angle, indicated by the square. A right angle is 90 degrees.
To find , we need to subtract 47 from 90. 90 - 47 = 43.
To find k, we subtract 1 on both sides. k = 42.
k=42
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, we need to subtract 47 from 90. 90 - 47 = 43.