Q50 of 128 Page 224

Fill in the blanks to make the statements true:
Area of a rectangular plot with side 4x² and 3y² is ……….. .

12x²y²

Let the length of rectangular plot = l = 4x²

The breadth of rectangular plot = b = 3y²

Area of rectangular plot = l×b

= 4x² × 3y²

= 12x²y²

Fill in the blanks to make the statements true:

67² – 37² = (67 – 37) × ……………. = ………… .

Fill in the blanks to make the statements true:

103² – 102² = ………….. × (103 – 102) = ……… .

Fill in the blanks to make the statements true:

Volume of a rectangular box with l = b = h = 2x is …………. .

Fill in the blanks to make the statements true:

The coefficient in – 37abc is …………. .

Fill in the blanks to make the statements true:Area of a rectangular plot with side 4x2 and 3y2 is ……….. .