Find the perimeter and area of the figure if each unit on the graph measures 1 centimeter. Round answers to the nearest tenth, if necessary. A(0,9) B(4,9) C(0, 1)

Area = 16 cm²

Perimeter = 20.9 cm

Step-by-step explanation:

To find the perimeter and area of the given triangle length of all sides of the given triangle will be required.

Use the formula to determine the distance between two points and ,

d =

Distance between A(0,9) and B(4, 9),

AB = = 4 cm

Distance between A(0,9) and C(0, 1),

AC =

AC = 8 cm

Distance between B(4, 9) and C(0, 1),

BC =

BC =

     =

     =

     = 8.9 cm

Area of ΔABC =

                        =

                        = 16 cm²

Perimeter of the triangle = AB + AC + BC

                                         = 4 + 8 + 8.9

                                         = 20.9 cm

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step-by-step explanation:

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