kibegitau299 kibegitau299

29-05-2020
Mathematics

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In ΔDEF, d = 410 cm, e = 300 cm and ∠F=126°. Find the length of f, to the nearest centimeter.

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enriquesandoval2113 enriquesandoval2113

29-05-2020

Answer:

635

Step-by-step explanation:

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xXcOINXx1 xXcOINXx1

08-03-2021

Answer:

634.6 cm

Step-by-step explanation:

f^2 = d^2 + e^2 - 2(d)(e)cos(angle)

f^2 = (410)^2 + (300)^2 - 2(410)(300)cos(126)

f^2 = 402695 and take the square root

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