Across
- 4. Find x if log x = log 1.5 + log 12
- 7. Angle of elevation of the top of the tower from a point on the ground is sin−1(3/5). If the point of observation is 20 meters away from the foot of the tower, what is the height of the tower?
- 8. FOUR Angles of depression and elevation of the top of a wall 11 m high from top and bottom of a tree are 60° and 30° respectively. What is the height of the tree?
- 9. Circus artist is climbing a 20 m long rope, which is tightly stretched and tied from the top of a vertical pole to the ground. Find the height of the pole, if the angle made by the rope with the ground level is 30°
Down
- 1. The value of p, for which the roots of the quadratic equation x2 + 8x + p = 0 are equal and real?
- 2. FIVE Sum of two numbers is twice of 22 and their difference is thrice of 2 then which is the greatest number?
- 3. x if log x = log 7.2 – log 2.4
- 5. The angle of elevation of the sun when the shadow of a pole of 18 m height is 6√3 m long?
- 6. Vertical tower stands on ground and is surmounted by a vertical flagpole of height 18 m. At a point on the ground, the angle of elevation of the bottom and the top of the flagpole are 30° and 60° respectively. What is the height of the tower?