Calculate the area and volume — task. Mathematics State Board, Class 8.

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1) Find the volume of the rectangle whose length, breadth and heights are

12 x^{2} y

units,

4 z

units and

12 xy

units.

i i^{i} i^{i} i

{units}^{3}

(Note: Write the answer in the standard form of a monomial and enter numbers and variables in separate windows; enter the powers in windows next to variables.)

2) Find the area of a square carpet whose side is

(9 x + 1)

units.

i i^{i} + i i + i

{units}^{2}

(Note: Write the answer in the standard form of a monomial and enter numbers and variables in separate windows; enter the powers in windows next to variables.)

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10. Calculate the area and volume

Exercise condition: