What part of a reflecting telescope would you measure to
find the aperture?

Giving the right triangle jkl what is the value of cos (l)

Which best explains why england had the highest standard of living in the world in 1990? a.england started industrializing before the rest of the world b.england had the highest population in the world. c.england hadthe most fertile soil in the world. dengland had more natural resources.

In the diagram below, ab and bc are tangent to o. what is the measure of