Answer:
1. a
2. b
3. c
4. d
Step-by-step explanation:
Answer:
option 4
Step-by-step explanation:
Percent change is calculated as
× 100%
change = 15 - 10 = 5 , then
percent change =
× 100% = 5 × 10% = 50%
Answer:
1) Option B - 25.12 ft
2) Option C - 24.1 ft
Step-by-step explanation:
1) Given : The circular rug has a diameter of 8.2 feet.
To find : Which measurement is closest to the circumference of the rug in feet?
Solution :
The circumference of rug is given by 
Where, d is the diameter = 8.2 feet.


The most closest measurement is 25.12 ft.
Therefore, option B is correct.
2) Given : A circle has a diameter of 5.2 feet.
To find : Which measurement is closest to the circumference of the circle in feet?
Solution :
The circumference of circle is given by 
Where, d is the diameter = 5.2 feet.


The most closest measurement is 24.1 ft.
Therefore, option C is correct.
Answer:
x equals 30
Step-by-step explanation:
An equilateral triangle adds up to a total of 180 degrees so divided 60 into two and you get 30