Percentage is out of a 100. Therefore, 35/100
Simplify 35/100
Becomes 7/20
Fraction of 35% is 7/20
The answer is 72.
You can figure this out using the Pythagorean theorem: C (78) squared - A (30) squared = B squared though since you already know the longest side.
78 x 78 = 6084
30 x 30 = 900
6084-900= 5184
The square root of 5184 is 72.
It will take her around 126 minutes
Answer: 283 cm2
Step-by-step explanation:
The formula for finding the surface area of a cone is:
A=
Where r is the radius and h is the height.
Replacing: 
Solving: 282,7 ≈ 283cm2
