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Krishna

· started a discussion

· 1 Months ago

Option D should be correct (Question: 367553.0 )

let CD=x
Now
Area=(1/2)*5*12
(1/2)5*x*sin30+(1/2)12*x*sin60=30
.
.
.
x=120/(5+12√3)

Question:

Let ABC be a right angled triangle with BC = 5 cm and AC = 12 cm. Let D be a point on the hypotenuse AB such that ∠ BCD = 30º. What is the length of CD ?

Options:
A)

  

B)

  

C)

  

D)

  

Solution:

Ans: (a)

  

Razz KH Pandey

· commented

· 1 Months ago

thanks bro...it is right
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