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4 years ago

△DNS∼△ARH .

Mathematics

2 answers:

UkoKoshka [18]4 years ago

8 0

The answer is 33 units.

garri49 [273]4 years ago

6 0

$\Delta DNS \sim \Delta ARH \Longrightarrow \dfrac{DN}{AR} = \dfrac{DS}{AH} \\ \\ \dfrac{72}{21.6} = \dfrac{110}{x} \\ \\ \\ x = \dfrac{21.6 \times 110}{72} \\ \\ \\ x = \dfrac{2376}{72} \\ \\ \boxed{x = 33 \ units}$

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