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CBSE Class 9 Answered

Find the area of trepizeum whose parallel sides are 25cm and 13cm and other sides are 15cm and 15cm
Asked by sarubhatia6 | 15 Jul, 2014, 10:06: PM
answered-by-expert Expert Answer

A r e a space equals space A r e a space o f space r e c tan g l e space plus space 2 cross times A r e a space o f space t r i a n g l e A r e a space equals space 13 cross times h e i g h t space plus thin space 6 cross times h e i g h t space equals space 19 space cross times space h e i g h t W h e r e space h e i g h t space equals space square root of 225 minus 36 end root equals square root of 189 equals 3 square root of 21 S o space A r e a space equals space 57 square root of 21

Answered by Dharma Teja | 16 Jul, 2014, 09:55: AM

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CBSE 9 - Maths
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