Question

a 5 metre long ladder when set against the wall of a house reaches to a height of 4.8 metre how far is the foot of the ladder from the wall​

Answer 1

Answer:

1.4

Step-by-step explanation:

The ladder forms a triangle

We can use Pythagoras

${5}^{2} = {4.8}^{2} + x {}^{2}$

${5}^{2} - 4.8 {}^{2} = x {}^{2}$

$1.96 = x {}^{2}$

$x = 1.4$

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Answer 2

6.9 is the answer

step by step explanation

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