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Mumz [18]
3 years ago
14

70 POINTS PLUS BRAINLIEST

Mathematics
2 answers:
GuDViN [60]3 years ago
7 0

Answer:

a = 24.7 ft

Step-by-step explanation:

We can use the Pythagorean theorem to solve this problem.

a^2 + b^2 = c^2 where a and b are the lengths and c is the hypotenuse

a = the unknown distance fro the building and b is the distance up the wall, and the hypotenuse is the length of the ladder

a^2 + 17^2 = 30^2

a^2 +289 = 900

Subtract 289 from each side

a^2 +289-289 = 900-289

a^2 =611

Take the square root of each side

sqrt(a^2) = sqrt(611)

a = 24.71841419

To the nearest tenth

a = 24.7 ft

dem82 [27]3 years ago
5 0

Answer:

24.7 feet

Step-by-step explanation:

This is a Pythagorean theorem question

The ladder is the hypotenuse or c

the distance from the wall is a leg or a

and the wall is the other leg or b

a² + b² = c²

a² + 17² = 30²

a²  + 289 = 900

        -289    -289

          b² = 611

         √        √

          b = √611

           b = 24.7 feet

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