The area of a square is (36d^2 - 360d + 9) in^2.
1 answer:
Answer:
Step-by-step explanation:
36 d²-36 d+9=9(4d²+4d+1)
=9[4d²+2d+2d+1]
=9[2d(2d+1)+1(2d+1)]
=9(2d+1)(2d+1)
=9(2d+1)²
=[3(2d+1)]²
=(6d+6)²
length=6d+6
perimeter=4(6d+6)=24d+24
when d=2
length=6×2+6=18in
perimeter=4×18=72 in
area=18²=324 in²
You might be interested in
Answer:
7.5
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
Because consecutive vertices are already connected by the edges of the polygon.
Your answer would be:
¹⁄₁₂
1 time because 50 plus 50 is 100