Above is postive. So the answer is +300
Idk but it can't be 10 or 9.7 bc a triangle's hypotenuse is always longer than its legs
2.8a^2=55
a^2=55/2.8
a= square root of 55/2.8
P(t)=6t
A(p)=πp^2, since p(t)=6t
A(t)=π(p(t))^2
A(t)=π(6t)^2
A(t)=36πt^2, so when t=8 and approximating π≈3.14
A(8)≈36(3.14)(8^2)
A(8)≈36(3.14)64
A(8)≈7234.56 u^2
