Mathematics: In triangle abc angle abc equal 90 degree BD perpendicular Ac is BD 8cm AD 4 cm CM then the length of CD is correct option is

In triangle abc angle abc equal 90 degree BD perpendicular

justyne2004

19.06.2021

Triangle ABC, ∠ABC = 90°, also BD is perpendicular to AC.

∠ACB = x° and ∠CBD = 90 - x

=> ∠ABD = x and ∠BAD = 90 - x

=> ΔABC , ΔADB and ΔBDC are similar.

$= \frac{BD}{CD} = \frac{AD}{DB} \\\\= \frac{8}{CD} = \frac{4}{8} \\\\= CD = \frac{8*8}{4} =16$

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claythememe

03.01.2021

It would equal $27.725 in all. If you round it i think it would be $28.00

Step-by-step explanation:

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