The opposite sides of a parallellogram are (3x+2)cm and (5x-8)cm. The value of other side (2x-1)cm of parallellogram is??
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Answer:
9cm
Step-by-step explanation:
Since ,the opposite sides of parallelogram are equal
=> 3x + 2 = 5x - 8
=> 2 + 8 = 5x - 3x
=> 10 = 2x
=> x = 10 /2 = 5
1st side = 3x + 2 = 3×5+2 = 17cm
2nd side = 5x - 8 = 5×5 - 8 = 17cm
3rd side = 2x - 1 = 2×5 -1 = 9cm
Since , 1st and 2nd side are equal then 3rd and 4th sides are equal.
Therefore , 4th side = 3rd side = 9cm
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