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Which of the following pieces of data does NOT uniquely determine an acute-angled triangle `A B C(R` being the radius of the circumcircle)? (a) `a ,sinA ,sinB` (b) `a , b , c (c) `a ,sinB ,R` (d) `a ,sinA ,R`

A

a, sin A, sin B

B

a, b, c

C

a, sin B, R

D

a, sin A, R

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The correct Answer is:
D
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