Answer:
176.71cm^2
Step-by-step explanation:
Area of a circle is pi*radius^2
your radius is given to you, which is 7.5
pi*7.5^2 in a calculator gives you 176.71
Answer: 7.5
Step-by-step explanation: It's negative, so the opposite would be positive.
17.5%
take 25% x 1/2..............
