Mathematics

Problem

A roller-coaster car first travels

60^{\circ}

along a curved track of radius

25\,\text{m}

and then immediately travels

120^{\circ}

along a second curved track of radius

15\,\text{m}

. Approximately how far does the car move along the track during these two turns combined? a)

55\,\text{m}

58\,\text{m}

26\,\text{m}

48\,\text{m}