the perimeter of a triangle is 106. its length is (2x_1 ) centimetre and breadth is (X + 9 ) centimetre. Find its length and breadth
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Answer:
15
Step-by-step explanation:
2×(2x-1+x+9)=106
4x-2+2x+18=106
6x-16=106
6x=106-16
6x=90
x=90/6
x=15
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