First one is -6 hope this helps
I need help please anything would help
2 answers:
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Answer:
10 mm
Step-by-step explanation:
Using Pythagoras' identity with hypotenuse h
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
h² = 9² + ( )² = 81 + 19 = 100 ( take the square root of both sides )
h = = 10