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vivek

· started a discussion

· 1 Months ago

another method (Question: 233459.0 )

AB= root 3 x , BC= x ( coz of tan 60 )
9 (x squre ) + (x squre ) = 100
x=5
area= 25 multiply root 3 / 2

Question:
One acute angle of a right angled triangle is double the other. If the length of its hypotenuse is 10 cm, then its area is:
Options:
A)


\(\cfrac{25}{2}\sqrt{3}\) cm2

B) 25 cm2
C)


\(25\sqrt{3}\) cm2

D) \(\cfrac{75}{2}\) cm2
Solution:

Ans: (a)


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