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SAI INTERNATIONAL SCHOOL

                                                                  Class- VII

               Sub: Mathematics

               Chapter- 11: Perimeter and Area

               Worksheet-2





                                     2
                            2
               1.     If 1 m  = x mm , then the value of x is
                      (a) 1000           (b) 10000             (c) 100000             (d) 1000000
               2.     Area of circular garden with diameter 8 m is

                                                                2
                                                  2
                                    2
                                                                               2
                         (a) 12.56 m  (b) 25.12 m  (c) 50.24 m  (d) 200.96 m
                                     2
                           2
               3.     If 1m  = x mm , then find  the value of x.
                                             2
               4.     1 hectare =________ m .
               5.     Area of a circle with diameter ‘m’ radius ‘n’ and circumference ‘p’ is
                                      2
                                              2
                                                      2
                      (a) 2πn (b) πm  (c) πp  (d) πn
               6.     What is the radius of the largest circle that can be cut out of the rectangle
                      measuring 10 cm in length and 8 cm in breadth?
               7.     If radius of a circle is increased to twice its original length, how much will the area
                      of the circle increase?

                      (a) 1.4 times (b) 2 times (c) 3 times (d) 4 times
                                                                          2
               8.     The circumference of a circle whose area is 81πr , is ______________.

               9.     If the radius of a circle is tripled, then what will happen to its area?

               10.    The area of a semicircle of radius 4r is
                                                2
                             2
                                      2
                                                         2
                      (a) 8πr  (b) 4πr  (c) 12πr  (d) 2πr
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