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8. Solve:
4×5
(1) Find the perimeter of a square of side 5cm.
(ii) Find the volume of a cube of side 4cm.
(ii)

By Luna

8. Solve:
4×5
(1) Find the perimeter of a square of side 5cm.
(ii) Find the volume of a cube of side 4cm.
(ii) Find the area of a rectangular plot whose length is 35m and breadth is 20m.
(iv) The diameter of a circle is 8cm. Find the radius.​

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Luna


7. A force of 250 N, while acting on an area X produces a pressure of 1000 Pa. Calculate the magnitude
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2 thoughts on “8. Solve:<br />4×5<br />(1) Find the perimeter of a square of side 5cm.<br />(ii) Find the volume of a cube of side 4cm.<br />(ii)”

  1. Answer:

    1) Perimeter of square=side×4

    = 5×4=20 cm

    2)Volume of Cube= s×s×s

    4×4×4

    =64 sq. cm

    3)Area of rectangle= l×b

    = 35×20

    =700 sq. m

    4)Radius=Diameter/2

    = r=8/2=4cm

    Reply

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