Answer:
Rectangle
Step-by-step explanation:
I got it wrong on math nation and found out the correct answer.
Rhombus
A triangle when rotated around any point by 180° forms a Rhombus.
We are to find the error made by Sadie and then find the correct simplification.
The error Sadie made is that she wrote as instead of .
The square root of is and so she could have further simplified.
The correct simplification is shown below:
X= -20
wild
i think the correct answer is C