Math, asked by brainly425, 11 months ago

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In the figure below AB and CD are perpendicular to BC and the size of angle ACB is 31°. Find the length of segment BD. ​

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Answers

Answered by 15121115anil
7

Use right triangle ABC to write:

tan(31°) = 6 / BC ,

solve:

BC = 6 / tan(31°)

Use Pythagora's theorem in the right

triangle BCD to write:

92 + BC2 = BD2

Solve above for BD and substitute BC:

BD = √ [ 9 + ( 6 / tan(31°) )2 ]

= 13.4 (rounded to 3 significant digits)

Answered by Anonymous
7

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\mathfrak{The\:Answer\:is}

Use right triangle ABC to write: tan(31°) = 6 / BC , solve: BC = 6 / tan(31°)

Use Pythagora's theorem in the right triangle BCD to write:

92 + BC2 = BD2

Solve above for BD and substitute BC: BD = √ [ 9 + ( 6 / tan(31°) )2 ]

= 13.4 (rounded to 3 significant digits)

\boxed{Hope\:This\:Helps}

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