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guajiro [1.7K]
3 years ago
10

Find the length of side a​ HURRRY

Mathematics
1 answer:
Olenka [21]3 years ago
7 0

Step-by-step explanation:

Since it is a right-angled triangle,

we have a² + 5² = 13². (Pythagoras' Theorem)

=> a² = 13² - 5² = 144, a = 12. (C)

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