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B= Square root of 77 c=12 a=?
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B= Square root of 77 c=12 a=?

User Ccjmne
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1 Answer

3 votes

a^2 +b^2 = c^2

a^2 + (square root of 77)^2 = 12^2

a^2 + 77 = 144

a^2 = 144 - 77

a^2 = 67

a = about 8.2

User Tash
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