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olga nikolaevna [1]
3 years ago
13

Alana's house sits on a rectangular lot with dimensions 62.4 feet by 108.6 feet. Use mental math to find the perimeter

Mathematics
2 answers:
damaskus [11]3 years ago
8 0

Answer:

342

Step-by-step explanation:

Darina [25.2K]3 years ago
4 0

62.4 + 108.6 = 171

171*2=(170+1)*2=340+2=342

<span> Perimeter = 342 </span>feet

 The perimeter of a figure is defined by length of its 2D shape.

 For a rectangle it is the sum of the length of all its sides

 P = a1 + a2 +b1 + b2

Since a rectangle has two sides with the same lengths as the other two

a1 = a2 ; b1 = b2

 P = 2(a1 + b2) 

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