Which of the three objects is the largest

Concealer circle oh in which arc xy measures 16 pi centimeters the length of the radius of the circle is 32 cm what is the circumference of the circle

The creation of the trans-siberian railway allowed people to travel across russia. how could this railway impact russian culture?

Explain the reason for having an equator and a prime meridian. how do these two lines us to navigate our world? describe your opinion in at least two to three sentences.