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Three medians AD , BE and CF of a triangle ABC intersect at G . Area of triangle ABC is 108 sq cm . The area of triangle AGB is , ( in sq cm )
Correct Answer Is : 36
In a triangle , distances from centroid to vertices are respectively 4 cm , 6 cm and 8 cm. Find medians . Correct Answer Is : 6cm , 9cm , 12cm
A spherical ballon whose radius is r , subtends an angle α at the eye of the observer on the ground . When the angle of elevation of its centre is β . The height of its centre is Correct Answer Is : R cosec(α/2) sinβ
If secθ + cosec (90o - θ) = 4 , ( 0<θ<90o), then the value of tanθ is Correct Answer Is : √3
The numerical values of
- 9/cosec2θ + 4 cos2θ + 5 / (1+tan2θ) is Correct Answer Is : 9
An equilateral ?TQR is drawn inside a square PQRS. The value of the Angle PTS in degrees , is Correct Answer Is : 150°
If cosθ + secθ = 2 , the value of cos6θ + sec6θ is Correct Answer Is : 2
A man standing at appoint P is watching the top of a tower, which makes an angle of elevation of 30°.The man walks some distance towards the tower and then his angle of elevation of the top of the tower is 60°.If the height of the tower is 30m,then the distance he moves is Correct Answer Is : 20√3 m
Correct Answer Is : -1
Thevalue of cotθ .tan(900- θ ) - sec(90o - θ)cosecθ + (sin2 25o + sin2 65o ) + √3 ( tan5o tan15o tan30o tan75o tan85o) is Correct Answer Is : 1
