Perimeter
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Q1
The side of a square whose perimeter is 100 cm, is
Marks:1Answer:
25 cm
Explanation:

Q2
The perimeter of a rectangle is 360 cm and length is 100 cm. Its breadth will be
Marks:1Answer:
80 cm
Explanation:
Let the breadth = x cm,
Perimeter of rectangle = 2(length + breadth)
360 = 2(100 + x)
360 = 200 + 2x
2x = 360 – 200
2x = 160
x = 80 cmHence, breadth of rectangle = 80 cm 
Q3
Pinky runs around a square field of side 75 m and Bobby runs around a rectangular field with length 160 m and breadth 105 m.
How much more distance was covered by Bobby?
Marks:1Answer:
230 m
Explanation:
Pinky runs around a square field.
side of the square field = 75 m
Distance covered by Pinky = 4 × 75
= 300m
Bobby runs around a rectangular field.
length of the field = 160 m and breadth = 105 m
Distance covered by Bobby = 2×(l + b)
= 2×(160+105)
= 2 × 265
= 530 m
So,
Bobby covered more distance = 530 – 300
= 230m 
Q4
The perimeter of a rectangle whose length and breadth are 25 cm and 15 cm respectively, is
Marks:1Answer:
80 cm
Explanation:
We know that the perimeter of a rectangle = 2×(length + breadth)
Hence, the perimeter of the given rectangle = 2×(25 + 15) cm
= 2×(40) cm
= 80 cm

Q5
The perimeter of a regular hexagon with each side measuring 8 m is
Marks:1Answer:
48 m
Explanation:
Perimeter of a regular hexagon = 6 × (side)
Hence, the perimeter of the given hexagon = 6 × (8) m
= 48 m