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Can Someone Solve This By Using The Formula a^2+b^2=c^2

Can Someone Solve This By Using The Formula a^2+b^2=c^2-example-1

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Answer: 72 cm

Explanation:

78 is the hypotenuse, so that it will be the c

30^2 + b^2 = 78^2

900 + b^2 = 6084

b^2 = 5184

b= 72cm

User Duy Pham
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