Answer:
multiple answers below
Explanation:
a = 8.6
b = 4.5
c = 9.71
formula for area :: a = b*h / 2
8.6 * 4.5 = 38.7 / 2 = 19.35
perimeter = a+b+c= 8.6 + 4.5 + 9.71 = 22.81
type = right angle ??
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