Questions

TRUE-FLASE [1 Marks Each]

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4 questions · timed · auto-graded

Question 11 Mark
Formula for perimeter of rectangle is side + side.
Answer
False
Explanation: Perimeter of rectangle = 2(l + b)
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Question 21 Mark
The perimeter of a square whose area is 49 cm2 is 28 cm.
Answer
True
Explanation:
Area of square = (side)2
49 cm2 = (side)2
side = $\sqrt{49}$
= 7 cm
Perimeter = 4 × side
= 4 × 7 = 28 cm
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Question 41 Mark
If the side of a square is doubled, the perimeter of the square is halved.
Answer
False
Explanation:
Side of square = 2 cm
Perimeter = 4 × side
= 4 × 2 = 8 cm
Side of square is doubled i.e., 2 × 2 = 4 cm
Perimeter = 4 × side
= 4 × 4 = 16 cm
If side is doubled perimeter is doubled.
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TRUE-FLASE [1 Marks Each] - MATHS STD 6 Questions - Vidyadip