Respuesta :

R2G3

Answer:

15km

Step-by-step explanation:

Use the Pythagorean Theorem

a²+b²=c²

9²+12²=c²

81+144=c²

225=c²

Square root both sides

c= 15km

Answer:

d=15

Step-by-step explanation:

So in this question we are using the Pythagorean Theorem. a^2 + b^2 = c^2

The side opposite to the right angle is the hypotenuse.

So to solve the equation put in the values for a and b.

9^2 + 12^2 = c^2

81 + 144 = c^2

225 = c^2

Now take the square root of 225

[tex]\sqrt{225}[/tex] = 15

so d = 15

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