The first washing machine is 50% off- so it'd be $260 for the final price
The second washing machine was marked down by 20%, so it'd be 416. But then it was marked down another 30% so the final price would be $291
Since the first washing machine was just 50% of $520, it's a better deal rather than 20% of $520, then 30% of $416
I hope my answer was clear enough!
If the vertex angle is 28 degrees, then each base angle is 76 degrees. The length of the sides makes no difference.
Answer:
The answer to 52 ÷ 10.546 is 0.1952962962960