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Irina18 [472]
2 years ago
9

What is the length of the hypotenuse

Mathematics
2 answers:
kramer2 years ago
6 0

Answer:

35 km

Step-by-step explanation:

Since this is a right triangle we can use the Pythagorean theorem

a^2 + b^2 =c^2 where a and b are the legs and c is the hypotenuse

28^2 + 21^2 = c^2

784+441 = c^2

1225 = c^2

Take the square root of each side

sqrt(1225) = sqrt(c^2)

35 = c

Anika [276]2 years ago
3 0

Answer:

35 km

Step-by-step explanation:

The pythagorean theorem states that a^2+b^2=c^2. (The hypotenuse is c)

So, we will plug a and b in.

28^2+21^2=c^2

Then, simplify.

784+441=c^2

1225=c^2

c=35

Therefore, the hypotenuse is 35 km.

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