Angles 1 and 2 are adjacent, we know this because they are side by side. Meaning they are adjacent.
Angles 1 and 2 are also complementary because they add up to 90°
The values go up by 2. So your answer would be 20.
Answer:
i need help my self
Step-by-step explanation:
Use trigonometric ratios.
Use angle(19)
Adjacent side of angle measure 19 is X
The hypotenuse is 21.
Use the cosine
Cos(19)=x/21
Plug in calculator
(21)cos(19)=19.85
Round to the nearest tenth. Which means the 8 rounds up to 9.
Answer: 19.9
Answer:
12x+4xy
Step-by-step explanation:
4x(3+y)
12x+4xy
You distribute the 4x in the parenthesis
