Answer:
Step-by-step explanation:
the expression could help you find the distance between A(x; y) and B(x',y')is:
AB = √((x-x')²+(y-y')²)
in this exercise : x = 5
x' = - 1
y =-2
y' = -8
continue .......
Answer:
minus 4
Step-by-step explanation:
answers in the photo thanks
Answer:
40°
Step-by-step explanation:
It's half the angle at the centre
½×80 = 40
Answer:
D) 2
Step-by-step explanation:
A Triangle two sides added together must always be greater than the other side.
It can not be 2 because the two sides of a triangle added are not greater than the other side.
Here 5 + 2 = 7 which is not greater than 7 on the other side, so 2 fails.
The answer is -4 i just did the test
