braxtonmajeski31704 braxtonmajeski31704
  • 17-03-2021
  • Mathematics
contestada

In ΔDEF, the measure of ∠F=90°, the measure of ∠D=67°, and FD = 7.4 feet. Find the length of EF to the nearest tenth of a foot.

Respuesta :

bhavyaanil832
bhavyaanil832 bhavyaanil832
  • 17-03-2021

Answer:

14.2 ft

Step-by-step explanation:

tan 66° = 32/ FD

FD = 32 / tan 66° = 32 / 2.246 = 14.2

hope it helped you

Answer Link
ter1234567890 ter1234567890
  • 22-03-2021

Answer:

17.4

Step-by-step explanation:

\tan D = \frac{\text{opposite}}{\text{adjacent}}=\frac{x}{7.4}

tanD=

adjacent

opposite

​

=

7.4

x

​

\tan 67=\frac{x}{7.4}

tan67=

7.4

x

​

7.4\tan 67=x

7.4tan67=x

Type into calculator and round to the nearest tenth of a foot.

Answer Link

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