xlebrny7831
23.04.2021 •
Mathematics
Help with questions 1 through 4
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Ответ:
I found a link to all the answers
Step-by-step explanation:
Ответ:
178.3 mm²
Step-by-step explanation:
Surface area = Base area + 3 x side triangles area
Sₐ = 43.3 + 3 x (1/2 x (10 x 9)) = 43.3 + (3 x 45) = 178.3