Patty measured a house and its lot and made a scale drawing. The scale of the drawing was 2 millimeters : 1 meter. If the back patio is 54 millimeters in the drawing, how long is the actual patio? meters

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Ответ:

pepsi08u29lll

03.09.2021

Mathematics

Use the Law of Cosine
$c^2=a^2+b^2-2ab\cos{\gamma}$

$527^2=310^2+AB^2-2\times310\times AB\times\cos{48.6^o}
\\AB^2-410\times AB-181,629=0
\\
\\AB= \frac{410+ \sqrt{410^2-4(-181629)} }{2} =678$
Points a and b are separated by a lake. to find the distance between them, a surveyor locates a poin

Points a and b are separated by a lake. to find the distance between them, a surveyor locates a poin

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Patty measured a house and its lot and made a scale drawing. The scale of the drawing was 2 millimeters : 1 meter. If the back patio is 54 millimeters in the drawing, how long is the actual patio? meters ​