6. एका आयताची लांबी त्याच्या रुंदीच्या दुपटीपेक्षा ने जास्त आहे. त्या आयताची
परिमिती 52 से. मी. असल्यास आयताची लांबी किती?
Answers
Given :- The length of a rectangle is 2 more than twice its width. The perimeter of that rectangle is 52 cm. If so, what is the length of the rectangle ?
Solution :-
Let us assume that, width of the rectangle is x cm.
so,
→ Length = 2 * width + 2 = (2x + 2) cm .
then,
→ Perimeter = 2(Length + width)
→ 2[x + (2x + 2)] = 52
→ 2(3x + 2) = 52
→ 6x + 4 = 52
→ 6x = 52 - 4
→ 6x = 48
→ x = 8 cm.
therefore,
→ Length of rectangle = (2x + 2) = (2 * 8 + 2) = 16 + 2 = 18 cm. (Ans.)
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