A = (10 x 12) - (2 x 7)
A = 120 - 14
A = 106
answer
106 sq. meters
Answer: Using context clues
Step-by-step explanation:
Yes it is, due to the fact that you can see exactly what you are subtracting because they are directing above and below each other. In all forms of math we subtract this way for a better understanding of what's needed to be subtracted.
Since we know AD, CD and angle D, we can use the law of cosines, which states that
Plugging the values, we have
Which leads to
Taking the square root, we have