Answer:
cos (A+B+C)
Step-by-step explanation:
as A,B,C, are triangle we have A,B and C as 180
cost
Answer:
3/4
Step-by-step explanation:
1/4 + 2/4 = 3/4
5 + 10 = 15
Answer:
X = 6 1/2
Step-by-step explanation:
X is equal to 6 1/2 because, if you subtract 3 1/2 from 10 you will be left with 6 1/2.
The answer is 3√5. You use the distance formula: √((x2-x1)^2+(y2-y1)^2)