The law of reflection states that if the angle of incidence is 39 degrees, the angle of reflection is ___ degrees.
1 answer:
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Almost all telescopes have a circular mirror. The area of a circle is proportional to 
where 
is the radius of the circle, the constant of proportionality being 
Therefore the area of 150 meter telescope would be
times bigger than the area of the smaller (10 meter) telescope.
Therefore the area of 150 meter telescope would be
times bigger than the area of the smaller (10 meter) telescope.