Mathematics
Assertion (A): If the length of shadow of a person is equal to his height, then the angle of elevation of the sun is 45°. Statement 2: For any right-angled triangle, tan θ = 1. (A) is true, (R) is false. 2. (A) is false, (R) is true. 3. Both (A) and (R) are true, and (R) is the correct reason for (A). 4. Both (A) and (R) are true, and (R) is the incorrect reason for (A).
Related Questions
The mean of 12, 22, 33 and 44 is:
24
72
144
264
If 2x - 15 > 4x + 9, then:
x < -12
x < 12
x > −12
x > 12
The roots of the quadratic equation 3x2 = 6x is:
0
2
0 and 2
0 and 6
The locus of a toy bird fixed at the tip of one of the blades of a rotating ceiling fan is a:
straight line
circle
semi-circular arc
diameter of the circle so formed