Help me please i don't uderstand

Robert Tillman asked Apr 6, 2023

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Robert Tillman asked Apr 6, 2023

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19 votes

Answer:

(a) d = 2.1 (b) a = 8.7

Explanation:

d^(2)+d^(2) = 3^(2)

$2d^(2) = 9\\d = \sqrt[2]{9/2} = 2.1$

The hypotenuse = 5*2 = 10

$5^(2) + a^(2) = 10^(2)\\a^(2) = 100 - 25 = 75\\a = √(75) = 8.7$

SoroushA answered Apr 10, 2023

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