NCERT Mathematics Class 9 Exemplar Ch 9 Areas of Parallelograms and Triangles Part 3
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9. If a triangle and a parallelogram are on the same base and between same parallels, then the ratio of the area of the triangle to the area of parallelogram is
(A)
(B)
(C)
(D)
Answer: B
10. ABCD is a trapezium with parallel sides and (Fig. 9.6). E and F are the mid-points of the non-parallel sides. The ratio of ar (ABFE) and ar (EFCD) is
(A)
(B)
(C)
(D)
ABCD is a Trapezium with Parallel Sides
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Answer: B