Y2-y1/x2-x1
1-4/2-3
Slope is: -3/-1 or 3
Answer:
55
Step-by-step explanation:
Trust me
Answer: The acute angle between diagonals is 50
Step-by-step explanation:
Red angle = 50 because An exterior angle of a triangle is equal to the sum of the opposite interior angles (pink angles).
Alternatively:
Green angle is 130 by sum of interior angles of a triangle.
Red angle is 50 by Adjacent angles
Answer:
4
Step-by-step explanation:
AO = OC
3x - 4 = 8
x = 4