jpimentel2021
02.07.2020 •
Mathematics
Find the variable of each ............
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Ответ:
The answer is option d.
To find a we have to first find b
sin 60° = b / 10
b = 10 sin 60°
b = 5√3
sin 30° = b / a
b = 5√3
a = 5√3 sin 30°
a = 10√3
cos 30° = c / a
a = 10√3
c = 10√3 sin 30°
c = 15
cos 60° = d /10
d = 10 cos 60°
d = 5
a = 10√3 , b = 5√3 , c = 15 and d = 5
Hopethis helps.
Ответ:
2450 mm³
Step-by-step explanation:
(15×10×7) + [(40+10)×4×7]
2450