bangus96
bangus96
Today at 11:19 PM
Mathematics
Answered
Find the missing part.
Z=
Answer :
loconte
loconte
Today at 11:24 PM
Answer:
[tex]=15\cdot \frac{\sqrt{3}}{2}[/tex]
Step-by-step explanation:
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hieu0002004
hieu0002004
Today at 11:24 PM
Z= 15*sqrt(3)/2
Tan(30) = y/b = 1/sqrt(3) (1)
Tan(60) = y/a = sqrt(3) (2)
(1)/(2) => a/b = 1/3 => 3a= b (3)
a + b = 15 (4)
From (3) and (4) => a = 15/4 , b = 45/4
Cos(30) = b/z => z = b/cos(30)
Z = 15*sqrt(3)/2
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