anonymous
  • anonymous
Will fan and medal! Find the area of the regular pentagon below by using the area formula for triangles. a = 2 inches and b = 4 inches (i'll comment the picture) *picture not drawn to scale A. 5 in2 B. 40 in2 C. 8 in2 D. 20 in2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
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Iownubo
  • Iownubo
i am going towards B 40 in2
anonymous
  • anonymous
Alright, I'll go with that, ty!

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Iownubo
  • Iownubo
np
welshfella
  • welshfella
there are 5 triangles each having base b and height a area of 1 triangle = 0.5ab area of 5 = 2.5ab = 2.5 * 2 * 4
welshfella
  • welshfella
- its not 40
anonymous
  • anonymous
So it's D. ?
welshfella
  • welshfella
do you follow the reasoning/ yes 20 D
anonymous
  • anonymous
I understand the problem now, thank you!
welshfella
  • welshfella
|dw:1444419646010:dw|
welshfella
  • welshfella
the area of a triangle = half of the base * height
welshfella
  • welshfella
yw

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