Look at picture. Angle AEC is congruent to angle BDC because right angles are congruent. Angle ECA is congruent to angle DCB because vertical angles are congruent. to prove that triangle AEC ~ triangle BDC, we use AA postulate. The distance represented by x is __ ft. (Simplify your answer.)

To keep cylindrical tanks from tipping over, a designer is planning to enlarge the original area of the base by 50%. the new tank should have the same volume as the original. how should the designer change the height of the tank? a: make it 50% taller than the height of the original tank. b: make it 6623% taller than the height of the original tank c: make it 3313% shorter than the height of the original tank d: make it 50% shorter than the height of the original tank.