Mathematics: A 12 foot ladder is leaning up against the side of a building. The bottom of the ladder is 4 feet away from the bottom of the building Approximately how high up the side of the building does the ladder reach? 8 ft 10 ft 11 ft 12 ft

A 12 foot ladder is leaning up against the side

Oso29

17.05.2021

You can use the Pythagoras theorem for this since a right triangle is formed.

c^2 = a^2 + b^2

C = 12

A = 4

B = x

Input values:

12^2 = 4^2 + x^2

144 = 16 + x^2

128 = x^2

$x = \sqrt{128}$

x = 11.3137...

So, about 11ft.

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ari9425

05.07.2020

y=2

Step-by-step explanation:

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