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I really need help with this!

I really need help with this!-example-1
User Sooon
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1 Answer

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

(1)


(y)/(6) =
(9)/(x) =
(5)/(4)

solving
(9)/(x) =
(5)/(4) ( cross-multiply )

5x = 36 ( divide both sides by 5 )

x =
(36)/(5)

solving
(y)/(6) =
(5)/(4)

4y = 30 ⇒ y =
(15)/(2)

(2)

let h be the height of the flagpole, then


(h)/(5.5) =
(50)/(4)

4h = 275 ⇒ h = 68.75 feet

(3)


(x)/(6) =
(93.5)/(12.75)

12.75x = 561 ⇒ x = 44 feet


User DjWann
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