Fill in the blanks in Perimeter and Area:

Fill in the blanks:
(i) The perimeter of a regular polygon = ……….. × length of a side.
(ii) The unit of measurement of the area is ……….
(iii) The perimeter of a rhombus is = 4 × ………
(iv) An area of 1 km² = ……… hectare
(v) If the perimeter of a parallelogram is 40 cm and the length of one side is 12 cm, then the length of the adjacent side is ……
(vi) To find the cost of polishing a table-top, we need to find the ………. of the table-top.
(vii) The ratio of circumference to the diameter of a circle is ………..
(viii) If the area of a triangular piece of cardboard is 90 cm², then the length of the altitude corresponding to 20 cm long base is ………. cm.

Solution:

More Solutions:

• Then the area of the resulting triangle:
• The circumference of the circle with diameter 28 cm:
• Then the radius of the circle is:
• If the ratio of the radii of two circles is 2:
• The perimeter of a semicircle (including its diameter) of radius 7 cm is:
• Area of a rectangle and the area of a circle are equal.
• Find the area of the trapezium ACDE.