The total amount is 0.75 inches or 3/4 inches.
The length of side c would be 8.
Step-by-step explanation:
Given that,
a = 4
b = 6
cosC = -1/4
If we are given two sides and angle, the law of Cosines can be used to find the third side:
By inserting the values in the formula, we get
c = 8.
Therefore, the length of side c would be 8.
You'll need to buy 45 ounces of grass seed.
60x90=5400.
5400/120=45.