Answer:
27.5253% increase
Step-by-step explanation:
i got this answer right on khan academy
Answer:15
Step-by-step explanation:trust me
pp fatr
nonononon
diameter =7 cm
circum=2pi×r
2×pi×r=22
2×22÷7×r=22
r=22×7÷44
r=7÷2
r=3.5
d=2×r=2×3.5=7