Its called a octagon, hope that helps
First, answer the problem in the parentheses. 2 + 3 is 5. 5 x 4 is 20. Now, we are going to find the question that has an answer of 20. A = 11 so it cant be that one. B is 9 so not that one, either. C is 14 so not that one, but D = 20 so we have found the answer. D is the correct answer.
<span>Reading the solution, please, look on the picture)
Let the side of the square will be X meters. This means that S1=x^2 </span>meters ^2<span>
One side of </span>new rectangular garden will be 2x meters and another (x-3) meters. So S2=2x(x-3) meters ^2
According to the <span>data:
</span><span>S1*1.25=S2
</span>x^2*1.25=<span>2x(x-3)
</span>1.25*x^2=2x^2-6x
0.75x^2-6x=0
3x^2-24x=0
x^2-8x=0
x(x-8)=0
x=8 or x=0
But x>0!
So x = 8 meters
The next question is to find S2.
S2=2x(x-3)=2*8*5=80 meters ^ 2
NML OR LMN. are other names for the angle