Answer:
18.7
Step-by-step explanation:
The Law of Cosines is
, where c is the unknown side length of a triangle, a and b are the remaining two side lengths, and C is the angle opposite to side c. To answer this question just plug in the known values:

Simplify:



m≈18.665...
When rounded to the nearest tenth, m=18.7
Complementary angles add up to 90 degrees whereas Supplementary angles add up to 180 degrees.
If this helps can I please have brainiest? Thanks
Answer:
addition
Step-by-step explanation:
add 40+8 and you get 48 :P
Answer:
D
Step-by-step explanation:
The given angles are vertically opposite and congruent , then
7x + 13 = 48 ( subtract 13 from both sides )
7x = 35 ( divide both sides by 7 )
x = 5 → D
Answer:
sorry I need points
Step-by-step explanation:
so so sorry