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area of trapezium =1/2(sum of parallel sides )*height
1600=(1/2)(2x+20)*20
160=(2x+20)
2x=140
x=70
1600=(1/2)(2x+20)*20
160=(2x+20)
2x=140
x=70
shubhali:
no the answer is 8cm
how
it is like this - 1600 = ½ ( 20 + x ) 20 = 1600 = 200x = 1600 ÷ 200 = 8
kindly receck ur ans
wrong
whose
shubali
who is devange
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