The ratio in it's lowest form is 7:4
Answer:
(D). 6.
Step-by-step explanation:
The number of parts = 1 + 10 = 11.
So 10/11 of the alloy is copper and 1/11 is aluminium.
So the answer is 1/11 * 66
= 66/11= 6 pound,s
A=PIEr^2, letting r=14
a=PIE(14)^2
=615.75ft^2
use the symbol pie as the substitution for the actual word
Well the area is 13.2²π which = about 547.11 km² if that's what you're asking