Answer:82
Step-by-step explanation: the patch of grass is a 2 by 2 first find the area which is 4
then find the area of the garden forget the grass patch for now 8 x 11= 88 now 88 - 4 = 82ft
The cosine of A is (adjacent side)/(hypotenuse) = 55/73. Do the division, then find the angle whose cosine is that number. The whole thing takes maybe 6 or 7 seconds with your calculator. It's choice-B.
Well... looking at proportions, we're being asked
7 / 12 = 0.583333333
Divide them all to see which one equals 0.583333333.
A.
8 / 13 = 0.615384615
B.
10 / 15 = 0.666666667
C.
14 / 19 = 0.736842105
D.
21 / 36 = 0.583333333
Therefore, your answer is D.
