Mathematics, 08.12.2020 18:30 NathanaelLopez
Theo was asked to find the measure of x in the following polygon.
A polygon has angles 63 degrees, 63 degrees, x, and x.
Theo’s work is shown below.
Steps
Theo’s Work
Step 1
(n minus 2) 180 degrees = (4 minus 2) 180 degrees
Step 2
2 (180 degrees) = 360 degrees
Step 3
63 degrees + 63 degrees + x degrees = 360 degrees
x = 234 degrees
Where, if at all, did Theo first make a mistake finding the measure of x?
step 1
step 2
step 3
Theo did not make a mistake.
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