3 years ago

13 km 5 km What is the length of the missing leg?

1 answer:

3 0

Pythagoras' theorem:
b^2 = c^2 - a^2
Substitute in the values:
b^2 = 13^2 - 12^2
b^2 = 25
Square root it
b = 5km
The answer is option B. 5km

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