Answer:
x=1/4
Step-by-step explanation:
1/4+3/4=1 whole
Hope this helps but try to do process of elimination.
Answer:
b
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
Answer:
254/324 which is about 78.4%
Step-by-step explanation:
found area of entire square to be 18² or 324
found area of 4-quarter circles - which equals one circle with radius of 9
A = 81π which is about 70
subtracted 324 and 70 to get 254
ratio of shaded to unshaded is 254 : 324
