Question

A ladder is resting against a wall. The top of the ladder touches the wall at height of 12 m. Find the length of the ladder if the length is 6 m more than its distance from the wall.


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Answer 1

Answer:

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Step-by-step explanation:

17×23=17×(20+3)

=17×20+17×3(Distributive property)

=340+51

=391.

Answer 2

Answer:

→ Hey Mate,

→  Given Question :

. A ladder is resting against a wall. The top of the ladder touches the wall at height of 12 m. Find the length of the ladder if the length is 6 m more than its distance from the wall.

→ To find :

. Find the lenght of the ladder   = ?

→  Given  :

. Lenght = 6 m

. Height = 12m

→ solution:

⇒ Let Distance from wall be $x$ m.

⇒ Length , L = x + 6

⇒( x + 6 ) ² = 12² + x²

⇒ x² + 12x + 36 - 144 -x² = 0

⇒ 12x  - 108  = 0

⇒ 12x = 108

⇒ 12x = 108

⇒ x = $\frac{108}{12}$

⇒ 9

⇒ Length  = 9 + 6 = 15

⇒ Ans : length = 15m

⇒ Final Answer : 15m

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