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Linear Boundary: A boundary containing only line segments on, straight lines is called a linear boundary., , Tiangle, square, rectangle, etc. have linear boundaries., , , , , , , , , , , , , , Eenele Trlangle Square Pecan, |. Look at the given figure and answer the following questions., P Q R, (i) Name the three points. (ii) Name all the line segments., 2. Name the line segments and rays in the following figures., Ap Ey A E P a, F, (i) BL (ii) c (iii), of Ss R g, t B D, P, 3. In the given figure B, A, , (i) how many points are marked in the figure? Name them., (ii) how many planes are showr the figure? Name them., (ii) how many line segments are shown in the figure? Name them., , , , , , , , , , 4. Write:, (i) Lines whose point of intersection is P., (ji) Lines whose point of intersection is T., (ii) All pairs of parallel lines., (iv) All pairs of intersecting lines., (v) Lines whose point of intersection is /., , , , , , (vi) Lines whose point of intersection is S. 1?, In the figure alongside,, (i) name 3 line segments on line /, (ii) name 2 rays on line t. \, (ii) name line ¢ in two other ways. (iv) name a line segment on line m., YP la FR, , 6. Identify the following as closed and open figures., 9 OST OD MOO, (v) LI (vi) if (vil) WN (viii) IX, , , , , 236