Construct a quadrilateral ABCD in which BC=6cm,angleB=45degree,angleC=90degree,angleD=120degree and CD=4cm
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Answer:
105
Step-by-step explanation:
Sum of angle of quadrilateral =360
A+B+C+D=360
A+45+90+120=360
A+255=360
A=360-255
A=105
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