Find the missing side of each triangle. Round your answers to the nearest tenth if necessary.
2 answers:
Answer:
A. 9 mi.
Step-by-step explanation:
Here, use the Pythagorean Theorem, but leave "a" as it is.
a² + b² = c²
a² + 12² = 15²
a² + 144 = 225
a² = 225 - 144
a² = 81
a = √81
a = 9
The missing side is 9 miles long.
Answer:
9 miles
Step-by-step explanation:
use Pythagoras theorem
15 squared - 12 squared = 81
square root of 81 is 9
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