Gradient of a line perpendicular to the line joining the points (6,4) and (3,1) is
2
-2
1
-1
If tan 5θ = 1, then, θ=
8o
45o
5o
9o
Gradient of the straight line y = 2x + 1 is
0
Three sphere of radii 3 cm, 4cm and 5 cm are melted to form a new sphere. Then, the radius of the new sphere is.
6 cm
7.5 cm
10 cm
12 cm
Gradient of the line joining the points (5,6) and (1,2) is
Sin230o + cos260o =
1/2
1/3
√3/2
Solve 2x + y = 12 and 2x - y = 8.
x = 1, y = 2
x = 5, y = 1
x = 5, y = 2
x = 2, y = 5
Calculate x from the following figure.
15.3 cm
19.2 cm
20 cm
