math
24 question
If A is symmetric prove that B'AB is also symmetric
687549-1 <=x555679 i solve
1/√7-2
math class 11 ex-15.3,2
Find the area of triangle with its each side X metre
Maths .. chapter 13.5
PT and PS are the two tangents of the circle C(O,R) ,and PO is equal to the diameter of the circle . To Proof: PTS is a equilateral triangle.