1. The perimeter of a quadrilateral is 412.95 cm. If the three known sides measure 85.56 cm, 112.77 cm, and 85.26 cm, how long is the fourth side?
Note: Perimeter = sum of all sides
1. a. What is asked? *
1 point
A. How long is the fourth side?
B. What is the perimeter of a quadrilateral?
C. How many sides does a quadrilateral have?
b. What are the given facts? *
1 point
Perimeter = 421.95 cm, sides = 85.65 cm, 112.77 cm, 85.26 cm
Perimeter = 412.95 cm, sides = 85.56 cm, 112.77 cm, 85.26 cm
Perimeter = 112.77 cm, sides = 85.56 cm, 412.95 cm, 85.26 cm
c. What operation will be used? *
1 point
Addition only
Subtraction only
Addition and Subtraction
d. What is the number sentence? *
1 point
412.95 - (85.56 + 112.77 + 85.26) = n
412.95 + 85.56 + 112.77 + 85.26 = n
412.95 -+85.56 - 112.77 - 85.26 = n
e. What is the answer? *
1 point
129.36 cm
695.94 cm
300.48 cm
