P = 2w + 2l
326 = 2w + 2(99)
326 = 2w + 198
128 = 2w
w = 64
the width is 64cm
Answers are like this: 1)Cos C 2)Cos B 3)Cos A 4)a 5)b 6)c all of them are different type of writing cosines law , just this.
Answer:
-3.03
Step-by-step explanation:
12.95 - 15.98 = -3.03
Hope that helps!
