Which of the following figures lie on the same base and between the same parallels?
In such a cases, write the common base and the two parallels.

Which of the following bases is not present in DNA

If a triangle and a parallelogram lie on the same base and between the same parallels, then prove that the area of the triangle is equal to half of the area of parallelogram.

Prove by vector method that the parallelograms on the same base and between the same parallels are equal in area.

Which among the following bases in not found in RNA ?

Which of the following are examples of the null set { y : y is a point common to any two parallel lines}