42 mm
56 mm
What is the length of the hypotenuse?
2 answers:
Using a^2 + b^2 = c^2 it means that
42^2 + 56^2 = c^2
therefore c^2= 4900
so c=70mm
Answer:
70 mm
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
c² = 42² + 56² = 1764 + 3136 = 4900 ( take the square root of both sides )
c = 
= 70
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