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Wittaler [7]
3 years ago
12

I really need help with this!

Mathematics
1 answer:
SVEN [57.7K]3 years ago
3 0

Since all triangles in these questions are similar, we use that the ratios of corresponding sides are equal

(1)

\frac{y}{6} = \frac{9}{x} = \frac{5}{4}

solving \frac{9}{x} = \frac{5}{4} ( cross-multiply )

5x = 36 ( divide both sides by 5 )

x = \frac{36}{5}

solving \frac{y}{6} = \frac{5}{4}

4y = 30 ⇒ y = \frac{15}{2}

(2)

let h be the height of the flagpole, then

\frac{h}{5.5} = \frac{50}{4}

4h = 275 ⇒ h = 68.75 feet

(3)

\frac{x}{6} = \frac{93.5}{12.75}

12.75x = 561 ⇒ x = 44 feet


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