Two towns, P and Q, are on (4^oN 40^oW) and (4^oN
20^oE) respectively. What is the distance between
them, along their line of latitude? (Give your
answer in teems of π and R, the radius of the earth).

Similar Questions

Calculate the value of x and y if (27x ÷ 81x+2y = 9 ,x + 4y = 0...

If M varies directly as N and inversely as the root of P. Given that M = 3, N = 5 and P = 25. Find t...

Three numbers, x, y and z are connected by the relationships y = $\frac{4x}{9}$ + 1. If x = 99, Fi...

Each of the interior angle of a regular polygon is 162o. How many sides has the polygon?...

P sold his bicycle to Q at a profit of 10%. Q sold it to R for N209 at a loss of 5%. How much did th...

If y2+ 14y + k is a perfect square, then k =...

If y varies inversely as x2, how does x vary with y?...

The angle of a sector of a circle of diameter 8cm is 135°. Find the area of the sector [Take \(\...

In a class of 45 students, 28 offer chemistry and 25 offer Biology. If each student offers at least ...

If $6x^3 + 2x^2 - 5x + 1$ divides $x^2 - x - 1$, find the remainder....