XYZ is a right angled triangle and ∠Y = 90°. If XY = 2.5 cm and YZ = 6 cm then the circumradius of ∆XYZ is
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If 2x-12x = 5, then what is the value x2 + 116x2 - 2
If √3 = 1.732, then the value of 9+233?
If Sin 31° = xy, then the value of Sec 31° - Sin 59° is
In a ∆ABC, BC is extended upto D, ∡ACD =120°, ∡B = 1/2 A. Then ∡A is
If x = 3+13, then the value of x-12642x-1x-233 is
The value of 2.33+0.0272.33-0.69+0.09
O is the orthocentre of∆ABC, and if ∠BOC = 110° then ∠BAC will be