Solve the third question? EXERCISE 2. 1
Arrunge thc following in descending otxler:
In a "magic squar", the sum of the numbers in each row, in each column and along
diagonals is the same. Js this a magic square?
4 9 2 15
(Along the first row _ + _ — —
Arectangular sheet of paper is 12—cm long and 10— cmwide.
Find the (ii)therectangle BCDEinthis
figure. Whose perimeter is greater?
Sam wants to put apicturein a frame. The picture is 7 — cm wide.
To fit in frame the picture cannot be more than 7 — cm wide. How much should
'icture be trimmed?