fazejay725 fazejay725

21-03-2021
Mathematics

contestada

Total surface area??

Total surface area class=

Respuesta :

thebecks thebecks

21-03-2021

Answer:

total area = 207 cm²

Step-by-step explanation:

base area = 9 x 9 = 81

side area = 1/2(9)(7) = 31.5 x 4 (for 4 sides) = 126

81 + 126 = 207 cm²

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