The perimeter of a quadrilateral is 412.95 cm. if the three known sides measure 85.56 cm. 112.77 cm. and 85.26. how long is the fourth side?
Answer (1)
Answer:129.36Step-by-step explanation:let x=unknown side412.95=85.56+112.77+85.26+x×=412.95-(85.56+112.77+85.26)x=129.36
