Answer:
Perimeter is a length of a figure's borders.
Pabc = a+b+c
Area shows the 'size' of the figure.
Sabc = 1/2*a*b*Sin(alpha) or 1/2*a*h or sqrt((half perimeter * a)(half perimeter * b)(half perimeter * c))
Answer: A' (-4,0)
Step-by-step explanation:
See if you can scroll through the picture
Answer: 7
Step-by-step explanation: 7x7=49 and 7x5=35
