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CBSE Class 8 Answered

find the area of a trapezium whose two parallel sides are 3mand 4m2dm respectively.each of the other sides of the trapezium is2m
Asked by shivamshreya9523585898 | 25 Dec, 2018, 02:08: PM
answered-by-expert Expert Answer
 
According to the figure,
In ΔBNC,
Pythagoras
BN2 + NC2 = BC2
BN2 + 0.62 = 22
BN2 = 4 - 0.36 = 3.64
BN = 1.91 m
Find area of trapezium we get begin mathsize 16px style 1 half cross times open parentheses AB plus MN close parentheses cross times distance space between space two space parallel space sides equals fraction numerator begin display style 1 end style over denominator begin display style 2 end style end fraction cross times open parentheses 3 plus 4.2 close parentheses cross times 1.91 equals 6.876 space straight m squared end style
Answered by Sneha shidid | 26 Dec, 2018, 09:58: AM

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