Скачать или смотреть Class 6 Maths Chapter 6 Perimeter and Area | Figure it out Page 132

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 Figure it Out
1. Find the missing terms:
a. Perimeter of a rectangle = 14 cm; breadth = 2 cm; length = ?.
b. Perimeter of a square = 20 cm; side of a length = ?.
c. Perimeter of a rectangle = 12 m; length = 3 m; breadth = ?.
2. A rectangle having sidelengths 5 cm and 3 cm is made using a
piece of wire. If the wire is straightened and then bent to form a
square, what will be the length of a side of the square?
3. Find the length of the third side of a triangle having a perimeter
of 55 cm and having two sides of length 20 cm and 14 cm,
respectively.
4. What would be the cost of fencing a rectangular park whose length
is 150 m and breadth is 120 m, if the fence costs `40 per metre?
5. A piece of string is 36 cm long. What will be the length of each
side, if it is used to form:
a. A square,
b. A triangle with all sides of equal length, and
c. A hexagon (a six sided closed figure) with sides of equal
length?
6. A farmer has a rectangular field having length 230 m and breadth
160 m. He wants to fence it with 3 rounds of rope as shown. What
is the total length of rope needed?