hello0012
hello0012 hello0012
  • 22-04-2021
  • Mathematics
contestada

Determine the perimeter of the composite figure.​

Determine the perimeter of the composite figure class=

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rl80386
rl80386 rl80386
  • 22-04-2021

Answer:84.7

Step-by-step explanation: you add up all the side lengths

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jimtalley17 jimtalley17
  • 24-04-2021

area = 255 [tex]m^{2}[/tex]

perimeter = 20+6.7+8+8+15+26 = 83.7m

Step-by-step explanation:

top left triangle - base is 3 because (20-8-9).  so 1/2 bh = 1/2 (3) (6) = 9

left rectangle = l x w = 20 x 6 = 120

middle square = l x w = 8 x 9 = 72

lower right triangle = height is 12 because (26-8-6), so 1/2 bh =1/2 (9)(12) = 54

9+120+72+54 = 255

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