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alex41 [277]
3 years ago
9

Can someone help me on this question? The question is down below...

Mathematics
2 answers:
sdas [7]3 years ago
4 0
The length of a is 12 m

Nastasia [14]3 years ago
3 0

Answer:12m

Step-by-step explanation:

Because you are given that this is a right angled triangle, you can apply the pythagoras theorem where a^2 = b^2 + c^2

15^2 = 9^2 + x^2

225-81 = x^2

144 = x^2

x = 12m

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