Answer:
-14
Step-by-step explanation:
-19=6k-4k+9
-19=2k+9
subtract 9 from both sides
-28=2k
-14=k
To check your answer plug 14 in for k
A=a+b/2 (h) is the equation.
Answer:
Step-by-step explanation:
For angle C,
cos(∠C) =
= 0.97
sin(∠C) =
= 0.26
tan(∠C) =
= 0.27
Therefore, from the triangle ABC,
cos(∠A) = cos(90° - ∠C)
= sin(∠C)
= 0.26
sin(∠A) = sin(90 - ∠A)
= cos(∠A)
= 0.97
tan(∠A) =
= 3.73
Angle

A 0.26 0.97 3.73