42 mm 56 mm What is the length of the hypotenuse?

Mathematics

2 answers:

Genrish500 [490]2 years ago

6 0

Using a^2 + b^2 = c^2 it means that
42^2 + 56^2 = c^2
therefore c^2= 4900
so c=70mm

navik [9.2K]2 years ago

5 0

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 = $\sqrt{4900}$ = 70

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