I think its A not sure though
Plug in numbers. if originally, it was V=1/2 * 1 * 1 * 2=1
<span>tripling the dimensions would be V=1/2 * 3 * 3 * 6=27 </span>
<span>it would be 27 times larger. this could also be found by 3^3, just as doubling would render 2^3
</span>
Answer:
n = 7
Step-by-step explanation:
3n = 21
n = 7
Half-perimeter=length+width=width+3+width=43, 2×width=40 so width=20cm and length=23cm.
