Answer:
Answer is a
Step-by-step explanation:
I think it's "A", im looking for answer as well :(
a=7
perimeter=4×6-1/4 ×2π×3=24-1/2×3.14×3=24-4.71=19.29cm
Really?
Ok....................
12-3x ..... 12=3x .... x=4