Answer:
No
Step-by-step explanation:
No, because there is no mutiplication sign, and it suppose to be 6x times 5.
Sin angle that equals the 1/2 value is the 30 degree on the 1st Quadrant.
The angle of 30 degree on the 3rd Quadrant is equivalent to (formula and circle in the 1st photo) 180 + 30 = 210°.
So theta = 210° (3rd Quadrant) = 30° (1st Quadrant).

Now just transfer the cos 30° to the 3rd Quadrant and the signal will be negative (as shown in the 2nd photo attached).
Answer:
Right, obtuse, and isosceles. (B, D, E)
Length: 17 units
<span>Width: 9 units. i think this is right </span>