Find the total surface area of this triangular prism base=5cm 9cm line in the middle 12cm width=20cm
1 answer
Question:
Find the total surface area of this triangular prism
base=5cm 9cm line in the middle 12cm
width=20cm
2 lengths on triangle 13cm and 15cm
base=5cm 9cm line in the middle 12cm
width=20cm
2 lengths on triangle 13cm and 15cm
Answers
The total surface area
SA = 845cm^2
Step-by-step explanation:
Surface area of triangular prism
SA = bh + (s1 + s2 + s3)H
base=5cm 9cm line in the middle 12cm width=20cm 2 lengths on triangle 13cm and 15cm
SA = 5×9 + ( 12 + 13 + 15 )× 20
SA = 45 + 800
SA = 845 cm^2
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