A 19 foot ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on level ground if 18 foot from the base of the building.

The answer would be 342

Step-by-step explanation:

Multiply 19 by 18 and you get 342

Square root of 37, about 6.08

Step-by-step explanation:

Pythagorean Theorem: a^2 + b^2 = c^2

18^2 + b^2 = 19^2

324 + b^2 = 361

b^2 = 37

b= sqrt37

b about equal to 6.08

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