Answer:
√s(s-a) (s-b) (s-c)
Step-by-step explanation:
123456
herons formula
Answer:
5.15
Step-by-step explanation:
you add 3.50 and 1.65 to get the other number
Answer:

Step-by-step explanation:
To find the
we must use the cosine theorem.
The cosine theorem says that:

In this case:



So




Answer:
Step-by-step explanation:
2q + 2p = 1 + 5q
-3q + 2p = 1
-3q = 1 - 2p
3q = 2p - 1
q = (2p -1)/3