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Grade 99 grade maths

abcd trapizium in which ab parallel to dc p and q are themidpoints of ad and bc respectivelyi ab =8cm,pq=6cm then cd=

Profile image of nyshda
7 Years agoGrade 9
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1 Answer

Profile image of Ashish Kumar
7 Years ago
construction DB which intersect PQ at O
O is the mid point of DB
since P and O are the mid point
therefore PO is ½ of AB
i.e. PO is 4cm 
OQ is 6cm - 4cm
OQ =2cm
now,
       since: O &Q are midpoint 
therefore: DC is 2(OQ)
i.e. 2×2=  4cm