9000045710 | math4u.vsb.cz

SubArea:

Angles, arcs and sectors

Level:

Project ID:

9000045710

Accepted:

1

Clonable:

0

Easy:

0

Find the length

l

of a latitude at

50^{\circ}

N. (Use

R

for the radius of the Earth.)

l = 2 π R \cos 50^{\circ}

l = 2 π R \sin 50^{\circ}

l = 2 π R tg 50^{\circ}

l = 2 π R cotg 50^{\circ}