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SAI International School
                                                      CLASS - X

               Mathematics
               CHAPTER-6: Triangles-4

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               SUBTOPIC : Pythagoras Theorem& its Converse

               1.In the triangle ABC, AB=5units,BC=12units and AC=13units then which angle can be right
               angle?


               (A) A                                         (B) B

               (C) C                                         (D)None of these


               2.The lengths of the diagonals of a rhombus are 24cm and 32cm.The perimeter of the
               rhombus is :

               (A)9cm                                        (B)128cm


               (C)80cm                                       (D)56cm


                3.In an isosceles triangle, AB = AC = 25 cm and BC = 30 cm. Then, the altitude from A on BC
                is:
                (A) 20 cm                                     (B) 30 cm
                                                              (D) 55 cm
                (C) 25 cm

                4. ABC is an equilateral triangle whose sides measure 12 cm each. Then, the length of its
                altitude AD is:


















                (A) 12 cm                                           (B) 6 cm

                (C)                                                 (D)
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