A rectangular table cloth measures 70 cm by 50 cm.When spread on the table,it leaves a margin of 5 cm all around.Find the area of the table not covered by the cloth(margin)
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leaving 5cm on all sides then we have to add 10cm(5cm+5cm) to find the area of the table then subtract it from the area of the table cloth
area = l ×b
= 80{70+10} × 60{50+10}
48000cm²
area of table cloth = l×b
= 70×50
=3500cm²
area of the margin = 4800cm² - 3500cm² = 1300cm²
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