The angle of elevation of an airplane from a point on the ground is 600
. After a flight of
30 seconds, the angle of elevation becomes 300
. If the airplane is flying at a constant
height of 3000√3 m, find the speed of the airplane.
Question
Maths
Nov. 8, 2019, 9:05 a.m.
Answer
Maths
Nov. 8, 2019, 12:06 a.m.
Answer
The radii of two circle are 12 and 16 respectively. Find the radius of a circle whose area is equal to the sum of the area of the two circle?
Maths
Nov. 7, 2019, 10:53 p.m.
Answer
Find the area under the curve y =sin2x cos2x,x-axis and for x=0 to x=π/4
The following table gives the litreacy rate of 35 cities. Find the mean literacy rate.
- Literacy rate in% 45-55, 55-65, 65-75, 75-85, 85-95
- Number of cities- 3 ,
- 10,11,8,3
Simplify and write if the result is rational and irrational (3+√3)(3-√3)
Simplify and write if the result is rational and irrational (3+√3)(3-√3)