3 years ago

Find the missing side of each triangle. Round your answers to the nearest tenth if necessary.

Mathematics

2 answers:

statuscvo [17]3 years ago

8 0

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.

Aneli [31]3 years ago

6 0

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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