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khynia11
08.03.2021 •
Computers and Technology
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Ответ:
that was unnecessary
Ответ:
AB = √30^2 + 16^2 = 34
These are similar triangles.
∠BAC is congruent to ∠BAD
∠ACB is congruent with ∠ABD (both right angles)
Using ratios:
AC / AB = AB / (AC + CD)
AC + CD = AB² / AC
CD = AB² / AC - AC
CD = 34² / 16 - 16
CD = 56.25
The answer to this question is 56.