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Mathematics

Pythagoras Theorem

Puneeth is bu...

Question

Puneeth is building a slide for kids. If the ladder is 8 ft tall and he wants the bottom of the slide to be 15 ft from the ladder, how long does the slide need to be?

18 ft

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19 ft

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16 ft

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17 ft

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Solution

The correct option is D
17 ft

By using Pythagoras theorem,
(Length of the ladder) $^{2}$ = $8^{2} + 15^{2} = 64 + 225 = 289$
$∴ L e n g t h o f t h e l a d d e r = 17 f t$

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Puneeth is building a slide for kids. If the ladder is 8 ft tall and he wants the bottom of the slide to be 15 ft from the ladder, how long does the slide need to be?

The correct option is D 17 ft By using Pythagoras theorem, (Length of the ladder)2 = 82+152=64+225=289 ∴Length of the ladder =17 ft

The correct option is D
17 ft

By using Pythagoras theorem,
(Length of the ladder) $^{2}$ = $8^{2} + 15^{2} = 64 + 225 = 289$
$∴ L e n g t h o f t h e l a d d e r = 17 f t$