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SAI INTERNATIONAL SCHOOL

                       Class VII

                       Sub: Mathematics


                       Chapter- 11: Area and Perimeter
                       Worksheet- 1

                1.     The area of a triangle whose base is 7 cm and height 4 cm is ————
                       a) 28 sq cm         b) 14 sq cm       c) 22 sq cm     d) None of these
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                2.     Area of a right-angled triangle is 30 cm . If its smallest side is 5 cm, then its
                       hypotenuse is

                       (a) 14 cm (b) 13 cm (c) 12 cm (d) 11cm
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                3.     The height of the triangle whose base is 13cm and area is 65cm  is ________.
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                4.     Find the height of the parallelogram whose area is 246cm  and base is 20cm.
                5.     What will be the area of the square park whose perimeter is 96cm.


                6.     What happens to the area of a square if the side of the square is doubled?

                       a) The area becomes 4 times the original area.

                                                  th
                       b) The area becomes 1/4  times of the original area.
                       c) The area becomes 16 times the original area.

                                                   th
                       d) The area becomes 1/16  times of the original area.

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                7.     If area of a triangular piece of cardboard is 90 cm , and the base is 20cm find its
                       height.
                8.






                       Find the area of each of the given  triangle:
                9.






                       Find the area of the given parallelogram:

                10.    The area of the parallelogram whose base is 10.3cm and height is 15cm is
                       _______.
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