Answer:
b=9
Step-by-step explanation:
move the 4b over to the other side by adding it to both sides
Which points are 4 units apart? On a coordinate plane, point A is at (negative 2, 4), point B is at (3, negative 6), point C is
2 answers:
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Given:
Triangle LJK.
LJ = 89 in, LK = 28 in and m∠L = 42°
To find:
The length of missing side JK.
Solution:
LJ = k = 89
LK = j = 28
JK = l = ?
Using law of cosine:
Substitute the given values.
Taking square root on both sides.
The length of the missing side is 70.7 in.