Question
What will be circumradius of a right angle triangle
whose base is 20cm & height is 21cm ?Solution
 By pythogorus theorem, Hypotenuse 2  = Base 2   +Height 2  = 202  + 212  = 400 + 441 = 841, So Hypotenuse = 29 cm  Now circumradius of a right angle triangle = Hypotenuse/2 = 29/2 = 14.5cm
- 2, 2, 6, 30, ?, 1890 
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