Question

How many square metres of glass will be required for a window, which has 12 panes,each
pane measuring 25 cm by 16 cm.​

Answer 1

Step-by-step explanation:

l= 25cm

b=16cm

no. of panes= 12

no. of rectangular square meters required

12(l*b)

12(25cm*16cm)

12*400cm^2

4800cm^2

= 48m^2

or 48 square metres

hope this help