3 years ago

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Mathematics

2 answers:

Over [174]3 years ago

8 0

Thank you so much for the points

Have a great day/night

Pavel [41]3 years ago

5 0

...??????????? Okkkkkkk

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Step-by-step explanation:

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In triangle abc, m of acb = 90, cd is perpendicular to ab , m of acd is 60. and bd is 5 cm. find ad

weeeeeb [17]

Let us draw a picture to make the things more clear.

Attached is the image.

We have been given that

$\angle acd = 60 ^{\circ}$

Therefore, we have

$\angle dcb =90- 60= 30 ^{\circ}$

Now, in triangle bcd, we have

$\tan30 = \frac{5}{cd}\\
\\
\frac{1}{\sqrt 3}=\frac{5}{cd}\\
\\
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\\
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\\
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\\
ad= 5\times 3\\
\\
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Thus, ad is 15 cm.

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