Biofuels and nuclear power may prove useful as ______. energies to bridge the time between fossil fuel depletion and new renewables. Whether using a food crop as a source of biofuels is environmentally sustainable would have to consider all of the following, EXCEPT _______. A) the impact on food supplies and prices. B) the amount of fertilizers used and their impact on aquatic ecosystems.
Other than the diagonal side of the right triangle, the other two sides make a perpendicular right angle triangle. Other than the diagonal side of the right triangle, the other two sides make a perpendicular right angle triangle. The right angle is 90 degrees.  The right angle is 90 degrees.
A Right triangle contains a 90 degree angle. This can be any of the three angles that make up the triangle. An Acute triangle has an angle that is greater than 0 degrees and less than 90 degrees. An Obtuse triangle is an triangle that contains an angle that is greater than 90 degrees and less than 180 degrees.