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Answer:
perimeter = 2√10 + 2√5 ≈ 10.797
Step-by-step explanation:
Perimeter = DA + AB + BC + CD
DA = CB
D(4 , 4)
A(7, 5)
DA = √(7-4)² + (5-4)²
DA = √(3)² + (1)²
DA = √9+1 = √10
AB = CD
D(4, 4)
C(3, 2)
CD = √(4-3)² + (4-2)²
CD = √(1)² + (2)²
CD = √1 + 4 = √5
Perimeter = √10 +√5+√10+√5
= 2√10 + 2√5 ≈ 10.797