A triangle has an area of 54 m2 and a height of 9 m.
How long is the base of the triangle?

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

Find the solution of this system of equations -7x+y=-20 9x-3y=36

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.