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If O is circumcentre of acute angled triangle ABC, if ∠  BAC = 40 ˚  then  ∠ BOC = ?

 If the perimeter of a square is 40 cm, what is the length of each side?

If in a ΔABC, AD is internal angle bisector & D is a point on BC, AB = 6cm, BC = 9cm then what is BD:CD?

If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 78 cm² , then the area of ∆EFG is?

If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 108 cm² , then the

area of ∆EFG is?

What is the ∠ SRO if O is the centre of circle, ∠ SPO = 55˚ and ∠ POR = 115 ˚

∆ABC and ∆DEF are similar and their areas are respectively 121 cm² and 144 cm ² . If EF = 24 cm BC is?

The diagonals of a rectangle are inclined to one side of the rectangle at 25°. The acute angle formed between the diagonals is:

Let two chords AB and AC of the larger circle touch the smaller circle having same centre at X and Y. Then XY = ?