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alexandr402 [8]
2 years ago
9

Find the length of side a. please help?

Mathematics
2 answers:
GaryK [48]2 years ago
8 0

Answer:

Hello! I believe your answer is a = 3

Step-by-step explanation:

a= \sqrt{5^{2}-4^{2} } = 3

Have a good day! - Zac

ladessa [460]2 years ago
3 0

Answer: 3

Step-by-step explanation: Use the pythagorean theory!!!

a^{2} +4^{2}=5^{2}

a^{2}=5^{2}-4^{2}

a^{2} =25-16

a^{2}=8                  square root both sides √

a=2.8=3

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