Answer:
B: 1/5 = 4/x
Step-by-step explanation:
1cm = 5km
4cm = 20km
Answer:
not inglish woooooooooooooooooo
Answer: It is one-half the area of a rectangle with sides 2 units × 3 units.
It is twice the area of a square of side length 3 units.
It is one-half the area of a square of side length 3 units.
Step-by-step explanation:
Answer:
or 
Step-by-step explanation:
we know that
Applying the law of cosines

In this problem we have

c is the length of the third side
Substitute




or 