A triangle and a parallelogram are constructed on the same base such that their areas are equal. If the altitude of the parallelogram is 100 m , then the altitude of the triangle is. Choose the correct choice from the following answers.
A) 10 √ 2 m  B) 100 m  C) 100 √ 2 m  D) 200 m  E) none

Rationale: solution let the altitude of the triangle be h ï and base of each be b . then , ( ½ × b × h 1 ) where h 2 = 100 m . = h 1 = 2 h 2 = ( 2 x 100 ) m = 200 m . answer d
Answer: D