X is 35 degrees and Y is 70 degrees
Answer:
56.5
Step-by-step explanation:
Answer: Area of ΔABC is 2.25x the area of ΔDEF.
Step-by-step explanation: Because equilateral triangle has 3 equal sides, area is calculated as

with a as side of the triangle.
Triangle ABC is 20% bigger than the original, which means its side (a₁) measures, compared to the original:
a₁ = 1.2a
Then, its area is


Triangle DEF is 20% smaller than the original, which means its side is:
a₂ = 0.8a
So, area is


Now, comparing areas:

2.25
<u>The area of ΔABC is </u><u>2.25x</u><u> greater than the area of ΔDEF.</u>
56÷6.2 equals 9.032≈9 the answer is 9 $
Answer: C
Step-by-step explanation: This is actually very simple, all you have to do is type in a calculator 25 divided by 6. After that you will be given 4.1666666 repeating. So your answer is 4.16 with a repeating 6. Hope this helps!