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The area of a trapezium is 810 sq cm. Itsparallel sides are in the ratio 4:5. The heightof the trapezium is 10 cm. Find the length ofthe sides. |
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Answer» Areas of trapezium = 810 cm^2 height = 10 cm it's parallel side ratio 4:5 let the 1 ratio be 4xlet the 2 ratio be 5x area of trapezium = 2h (sum of parallel side )810 =2×10 ×(4x +5x) 4.5= x so it's parallel side 4x = 4× 4.5= 18and 2 parallel side 5x = 5 ×4.5=22.5 |
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