Get Started with ixamBee
Start learning 50% faster. Sign in now
Let the speed of the boat be b km/hour and the speed of the current be s km/hour. Average speed = 2xy/ (x+ y) (here, x is the speed of downstream and y is the speed of upstream) = (2 (b +s) (b-s))/ ((b+ s +b -s)) = (b2 - s2)/b = (144 - 64)/12 = 80/12 = 20/3 Km/h
If O is circumcentre of acute angled triangle ABC, if ∠ BOC = 150˚ then ∠ BAC = ?
Orthocenter of an right angle triangle lies on
in the given figure, ABCD is a square whose side is 4 cm. P is a point on the side AD. What is the minimum value (in cm) of BP + CP ?
What will be inradius of an equilateral triangle of side 2 cm?
Find the area of triangle having sides 7m, 8m, and 9m.
What will be circumradius of a right angle triangle whose base is 9 cm & height is 40 cm ?
What is the sum of the supplementary and complementary angles of 60 ° ?
The radius of base of a solid cylinder is 7 cm and its height is 21 cm. It is melted and converted into small bullets. Each bullet is of same size. Eac...
If O is circumcentre of acute angled triangle ABC, if ∠ BAC = 70˚ then ∠ BOC = ?
