Step-by-step explanation:
Firstly, there's a typing error at (x=1)². I assume it is (x-1)². If my assumption is correct,then:
x²-2x+1-4x=x²-2x+1
x²-6x+1-x²+2x-1=0
-4x=0
x=0
That answer is 10.7 as the perimeter
Answer:
Angle 4
Step-by-step explanation:
Exterior is the angle that is on the outside of the triangle.
Answer:
200
Step-by-step explanation:
please mark as brainliest if correct
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Answer: 80%
80,000 = 100%
20,000 = 20%
100% - 20% = 80%
Always convert the main number into 100 and follow through with the other numbers
