The percent error is by 12%
<span>The percent error is calculated by subracting the actual weight from the estimated weight and then dividing it by the actual value and multiplying it by 100% in absolute value(Which means to remove any negative sign) </span>
This is the working but there are 2 other methods that can help you arrive to the same answer
Answer:
b, c, d
Step-by-step explanation:
I just took the test
The answer is 4 obtuse angles. Hope i get brainliest!