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Take three non-collinear point A ,\ B...

Take three non-collinear point `A ,\ B` and `C` on a page of your notebook. Join `A B ,\ B C` and `C A ,` what figure do you get? Name the triangle. Also, name The side opposite to `/_B` The angle opposite to side`\ A B` The vertex opposite to side `B C` The side opposite to vertex `Bdot`

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Take three non-collinear point A ,\ B and C on a page of your notebook. Join A B ,\ B C and C A , what figure do you get? Name the triangle. Also, name (a). The side opposite to /_B (b). The angle opposite to side \ A B (c). The vertex opposite to side B C (d). The side opposite to vertex Bdot

Take three collinear point A ,\ B and C\ on a page of your note book. Join A B ,\ B C and C Adot is the figure a triangle? If not, why?

Take three collinear point A ,\ B and C\ on a page of your note book. Join A B ,\ B C and C Adot is the figure a triangle? If not, why?

In the adjoining figure : Name the vertex opposite to side PQ.

In the adjoining figure : Name the side opposite to angle R

In the adjoining figure : Name the angle opposite to side QR.

In the adjoining figure : Name the side opposite the vertex Q.

Take any three non-collinear points A , B , C and draw \ A B C . Through each vertex of the triangle, draw a line parallel to the opposite side.

Show that the line joining one vertex of a parallelogram to the mid-point of an opposite side trisects the diagonal and is trisected thereat.

In a A B C , find the measures of the angles of the triangle formed by joining the mid-points of the sides of this triangle.

RD SHARMA ENGLISH-TRIANGLES-All Questions
  1. Take three non-collinear point A ,\ B and C on a page of your no...

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  2. Take three collinear point A ,\ B and C\ on a page of your note ...

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  3. Distinguish between a triangle and its triangle region.

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  4. In fig.9, D is a point on side B C of a \ A B Cdot\ \ A D is joined. N...

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  5. In fig. 10, A , B , C and D are four points, and no three points ar...

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  6. What is the difference between a triangle and triangular region?

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  7. Explain the following terms: (i) Triangle                       (ii)...

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  8. In fig. 11, the length (in cm) of each side has been indicated alon...

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  9. In fig. 12, there are five triangles. The measures of some of their...

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  10. Fill in the blanks with correct word/symbol to make it a true statemen...

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  11. In each of the following, state if the statement is true (T) or false ...

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  12. Total number of parts of a triangle is (a) 3      (b) 6       (c) 9 ...

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  13. A perpendicular drawn from a vertex to the opposite side of a triangle...

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  14. A triangle may not have(a) an altitude    (b) can have at most 3 a...

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  15. Line segments joining the vertices to the mid-points of the opposite ...

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  16. A triangle whose two sides are equal is called (a) an acute triangle...

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  17. A triangle whose two sides are equal is known as

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  18. A triangle whose all sides are equal is called

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  19. The sum of the lengths of sides of a triangle is known as its (a) are...

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  20. A triangle having all sides of different length is known as

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