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bogdanovich [222]
3 years ago
13

How high is the end of the ladder against the building? Round to the nearest tenth if necessary.

Mathematics
1 answer:
kifflom [539]3 years ago
6 0
H(ft) = √ (13² - 4²) = 12.4

It is a right-angled triangle and the Pythagorean theorem applies.

THEOREMA (by Pythagoras):
Given a right-angled triangle ABCABC as in the figure, then the relation is valida2 + b2 = c2a2 + b2 = c2where cc is the hypotenuse of the triangle and b, ab, a are the cathets.

h(ft) = √ (13² - 4²) = 12.4



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