Answer:
-10
Step-by-step explanation:
A = pq/2
p = diagonal 1
q = diagonal 2
Answer:
-6
Step-by-step explanation:
-1+(-5)
You are moving down the numberline, then subtracting again because of the negative sign. -(1+5) is how I like to think of it.
So, 1+5=6, and you add the negative sign. -1+(-5)=-6.
In quadrant 2,
and
. Use the Pythagorean identity to establish that

Then

Answer:
8
Step-by-step explanation: