If two angles of a triangle are congruent, then the sides opposite those angles may not be congruent. true or false?

275/20 simplified (lmbo it told me to add more characters)

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual 

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.