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2 years ago

Major help i will make u brainllest

Mathematics

1 answer:

stealth61 [152]2 years ago

6 0

Answer:

Step-by-step explanation:

Using the Altitude- on- hypotenuse theorem

(leg of big Δ )² = (part of hypotenuse below it ) × ( whole hypotenuse), that is

x² = (30 - 6) × 30 = 24 × 30 = 720 ( take square root of both sides )

x = $\sqrt{720}$ = $\sqrt{144(5)}$ = $\sqrt{144}$ × $\sqrt{5}$ = 12 $\sqrt{5}$ → d

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