Area of the triangle formed by the vertex and the ends of the latus rectum of the parabola x^2 = 4ay

1. A.
   100 sq. units
2. B.
   20 sq. units
3. C.
   40 sq. units
4. D.
   50 sq. units

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1. A.
   $144$ sq. units
2. B.
   $288$ sq. units
3. C.
   $72$ sq. units
4. D.
   $576$ sq. units

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1. A.
   $\dfrac{81}{4}$ square units.
2. B.
   $\dfrac{81}{2}$ square units
3. C.
   $\dfrac{81}{3}$ square units
4. D.
   $81$ square units

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1. A.
   $100$
2. B.
   $200$
3. C.
   $50$
4. D.
   $10$

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