Answer: c. (1/2) bc sin A
<u>Step-by-step explanation:</u>
You can find the area of a triangle using trigonometry if you know the lengths of two sides and the measure of the included angle using the following formula:

Answer:
2 km east and 10 km north
Step-by-step explanation:
I did the activity and got the right answer.
Answer:
-6.95 x 10^10
Step-by-step explanation:
9x-5, I guess, not sure, but I'm combining like terms. Hope it's right.
Y=4 and I'm not sure on the second one sorry