fazejay725
fazejay725
21-03-2021
Mathematics
contestada
Total surface area??
Respuesta :
HaleluTingy
HaleluTingy
21-03-2021
Answer:
81 cm^2
Step-by-step explanation:
9 x 9 = 81
Answer Link
shaunahollland
shaunahollland
21-03-2021
Area of triangle = 1/2 base x perpendicular height
A= 1/2(9)(10) = 45 cm^2 (there are 4 of these so multiply by 4) 45x4=160 cm^2
The base of prism is 9x9= 81 cm^2
160+81= 241cm^2
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