Answer:
A. (x,y) → (-x,y)
Step-by-step explanation:
A: (-5,-1)
A': (5,1)
B: (-3, -3)
B': (3, -3)
C: (-5, -5)
C': (5, -5)
D: (-7, -3)
D': (7,-3)
The x values change sign but the y values don't.
Answer:
Given, side of an equilateral triangle is 2√3 cm. Hence, the area of an equilateral triangle is 5.196 cm2.
The answer to the question is 6.5
