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ICSE Class 8 Answered

The perimeter of trapezium is 60cm .it's non parallel sides are 12cm each and it's altitude is 10cm, find the area of trapezium.
Asked by riturajsharma092 | 11 Aug, 2018, 10:04: AM
answered-by-expert Expert Answer
begin mathsize 16px style Perimeter space of space trapezium space equals space 60 cm space We space know comma space space space space space space space space space space space space Perimeter space of space trapezium space equals space addition space of space non minus parallel space sides space plus addition space of space parallel space sides space rightwards double arrow addition space of space parallel space sides space equals space Perimeter space of space trapezium space minus space addition space of space non minus parallel space sides space space equals space 60 minus left parenthesis 12 space plus space 12 right parenthesis space equals space 36 Area space of space Trapezium space equals space 1 half space cross times space altitude space cross times space left parenthesis space addition space of space parallel space sides right parenthesis rightwards double arrow Area space of space Trapezium space equals space space 1 half space cross times space 10 space cross times 36 space equals space 5 space cross times space 36 space equals space 180 space cm squared end style
Answered by Yasmeen Khan | 13 Aug, 2018, 12:50: PM

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