Respuesta :

Answer:

2.24

Step-by-step explanation:

1^2 + 2^2 =c^2

1 + 4 = c^2

c= square root of 5

2.24

meowmeow223334
Since it’s a right triangle, use Pythagorean theorem
a^2 + b^2 = c^2
a = 1, b = 2, c = missing side

1^2 + 2^2 = c^2
1 + 4 = c^2
c^2 = 5, c = square root of 5

Solution: c = 2.2

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