Using the three trigonometric functions can be used to calculate unknown side lengths and angle in a right-angle triangle only.
But, if ever you we're given to find a non right-angle triangle, you will have to use sine rule or cosine rule.
2x + y = 0
2x + 3 = 0
- 3 - 3
2x = -3
2 2
x = -1¹/₂
(x, y) = (-1¹/₂, 3)
Answer: the perimeter of the yard
Step-by-step explanation:
Answer:
$5.24
Step-by-step explanation:
If Mom bought 4, she bought worth of pie filling. Since she paid $10, she needs change