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Find the value of x. correct answer please

Find the value of x. correct answer please-example-1
User Hexin
by
6.9k points

1 Answer

1 vote

Answer:


x = √(30)

Explanation:

By Geometric mean property:


BD = √(3 * 7) \\ BD = √(21) \\ by \: pythagoras \: theorem \\ {x}^(2) = { (√(21)) }^(2) + {(3)}^(2) \\ {x}^(2) = 21 + 9 \\ {x}^(2) = 30 \\ x = √(30)

User Blazetopher
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5.7k points