beautifuldiesel beautifuldiesel
  • 06-05-2022
  • Mathematics
contestada

help me please please

help me please please class=

Respuesta :

zeppieria zeppieria
  • 07-05-2022

Answer:

247 cm^2

Step-by-step explanation:

Lateral surfaces area = 10x9 + 9x5 + 9x8 = 207 cm^2

Base area = area of 2 triangles = bxh/2 + bxh/2 = 10x4/2 + 10x4/2 = 40 cm^2

Surface Area is the sum of above = 207 + 40 = 247 cm^2

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