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oksano4ka [1.4K]
3 years ago
6

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

Mathematics
2 answers:
kenny6666 [7]3 years ago
5 0

Answer:

Step-by-step explanation:

pythagoras theorem

a^2+b^2=c^2

12^2+x^2=13^2

144+x^=169

x^2=169-144

x=\sqrt{25

x=5 km

AleksAgata [21]3 years ago
4 0
<h3>Answer:</h3>

The missing side of the triangle is 5 km.

<h3>Step-by-step explanation:</h3>

Here we have

Perpendicular = 12 km

missing side = base = x

hypotenuse = 13 km

And since , we have given right triangle in a question . So we can use Pythagoras theorem

Pythagoras theorem

( Perpendicular ) ² + ( Base ) ² = ( hypotenuse ) ²

substitute the value

( 12 km ) ² + ( x ) ² = ( 13 km ) ²

Multiplying the values

144 km ² + x² = 169 km²

now Solve it

x ² = 169 km² - 144 km²

x ² = 25 km ²

x = √25 km²

x = 5 km.

Hence , missing Side of triangle is 5 km.

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