7th standard please help me army's and blinks my friends it's urgent.
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10x -1 I hope it will be right
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Given, length of wire = (7x – 3)m and wire cut for use has length = (3x – 4) m
(a) Left wire
=(7x – 3) – (3x – 4)
= 7x – 3 – 3x + 4
= 7x – 3x – 3 + 4
= (4x + 1)m
(b) ∴ Left wire = (4x +1)m
∴ Perimeter of equilateral triangle
= Length of wire left
=> 3 x (side) = 4x + 1
=> side = (4x +1)/3
= 1/3 (4x + 1)m.
Step-by-step explanation:
Only 5 points ಠ︵ಠ
but hope it helps you army (~‾▿‾)~
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