Answer:
Rotation of a point through 180°, about the origin when a point M (h, k) is rotated about the origin O through 180° in anticlockwise or clockwise direction, it takes the new position M' (-h, -k)
Step-by-step explanation:
IDK if this helped you out
33% is ur answer
sourse: Yahoo m8
(49)(58) = 2,842
49
x58
------
2,842