gabrielledismang
18.08.2019 •
Mathematics
What is the surface area of this rectangular prism?
a.
81 m2
b.
99 m2
c.
198 m2
d.
162 m2 the lengths are 6m 3m 9m
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Ответ:
(6*3*2) + (6*9*2) + (3*9*2) = 198 and that accounts for all the sides
Ответ:
x = 5
Step-by-step explanation:
Pythagorean Theorem:
a² + b² = c²
12² + b² = 13²
144 + b² = 169
b² = 25
b = 5
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