Answer:
Option (3)
Step-by-step explanation:
In a right triangle,
Cosine rule →
Sine rule → 
In the given triangle,
By cosine rule,


Or cos(h°) = z ÷ x
Therefore, Option (3) will be the answer.
(-3, 1.5)....simply add the x coordinates together, divide them by two, and then do the same for the y coordinates.
Answer:
10
Step-by-step explanation:
(15 x 40) / (15+40)
solve inside the parenthesis:
600/60
divide:
10
9 inches, divide 108 by 12, because 12 inches makes a foot
Answer:
concave pentagon I'm thinking