irene27
14.01.2021 •
Mathematics
W/4 + 12.5 -7z which terms is a constant numerical value
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Ответ:
Sine(D)=>0.861
m∠D= 59.42°
Step-by-step explanation:
Given:
ED = 65
FE = 56
DF = 33
In the right triangle DEF
Sine(D)= Perpendicular / hypotenuse => FE / ED
Sine(D)= 56/ 65 =>0.861
m∠D=
(56/65)
m∠D= 59.42°