Step-by-step explanation:
let the percent of found balloons be x
given,
total number of balloons= 70
number of found balloons= 28
according to the question,
x% of 70= 28
x/100 × 70 = 28
x=40
hence 40% of the balloons were found
The diameter is given which is 13.5feet and radius is half of diameter. Therefore radius = 6.75 feet.
Slant height = 16.8 feet
The formula of surface area of cone is

Correct option is C
Answer:
20
Step-by-step explanation:
170/8.5
False. Supplementary angles have to add up to 180 degrees, and that is clearly not a flat line lol
Answer:
Step-by-step explanation:
16/20 = 48/60
960 = 960
Answer is C