D= 140° because you take 180 minus the opposite angle
It's the first one because surface area is l*w of each side and add that all together which is 288 sq in.
<span><span /><span>In this problem, we are looking for the total
inches of ribbon that Risa needed in order to complete sewing all sides of the
Blanket.
She needs 72 inches per sides of the blanket.
A blanket is consisting of 4 sides, therefore multiply 72 by 4.
=> 72 x 4
=> 288 inches
or simply add 4 72s
=> 72 + 72 + 72 + 72
=> 288 inches</span></span>
I know B is on possible choice for this and maybe d almost certain
