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What is the perimeter of quadrilateral ABCD? Round decimal answers to the nearest hundredth. Ty 4- A Can someone please help me understand this/ help!!!!
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What is the perimeter of quadrilateral ABCD?

Round decimal answers to the nearest hundredth.
Ty
4-
A
Can someone please help me understand this/ help!!!!

What is the perimeter of quadrilateral ABCD? Round decimal answers to the nearest-example-1
User Jeff Grigg
by
5.7k points

1 Answer

2 votes

Answer:

22.13 units

Explanation:

P(ABCD) = AB + BC + CD +AD

  • P = √(AF²+FB²) + 3 + √(CE²+DE²) + 9
  • P = √(4²+4²) + √(4²+2²) + 12
  • P = √32 + √20 + 12
  • P = 4√2 + 2√5 + 12
  • P = 5.66 + 4.47 + 12
  • P = 22.13 units
User Stephenb
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5.3k points
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