Mathematics
Grade-3-
Easy
Question
The perimeter for the given rectangle is __________
- 20 mm
- 22 mm
- 18 mm
- 15 mm
Hint:
Perimeter of a rectangle = 2 (l + b), where l is the length & b is the breadth of the given rectangle.
The correct answer is: 22 mm
GIVEN-
Length = l = 7 mm.
Breadth = b = 4 mm.
TO FIND-
Perimeter of the given rectangle.
SOLUTION-
Perimeter of the given rectangle = 2 (l + b)
∴ Perimeter of the given rectangle = 2 (7 + 4) …............................. (As per given information)
∴ Perimeter of the given rectangle = 2 (11)
∴ Perimeter of the given rectangle = 22 mm.
FINAL ANSWER-
Option 'b' i.e. '22 mm' is the correct answer to the given question.
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