NCERT Mathematics Class 9 Exemplar Ch 9 Areas of Parallelograms and Triangles Part 1

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Exercise 9.1

1. The median of a triangle divides it into two

(A) Triangles of equal area

(B) Congruent triangles

(C) Right triangles

(D) Isosceles triangles

Answer: A

find two polygons on the same base Choice-A

Find Two Polygons on the Same Base Choice-A

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2. In which of the following figures (Fig), you find two polygons on the same base and between the same parallels?

find two polygons on the same base Choice-B

Find Two Polygons on the Same Base Choice-B

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find two polygons on the same base Choice-C

Find Two Polygons on the Same Base Choice-C

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find two polygons on the same base Choice-D

Find Two Polygons on the Same Base Choice-D

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Answer: D

3. The figure obtained by joining the mid-points of the adjacent sides of a rectangle of sides 8 cm and 6 cm is:

(A) A rectangle of area

(B) A square of area

(C) A trapezium of area

(D) A rhombus of area

Answer: D