ariellllm
16.01.2021 •
Mathematics
Объем следующей треугольной призмы 960 см3…
а) Определите длину основания треугольника.
б) Определите площадь треугольника.
помогите плзззз
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Ответ:
would help but i dont not understand the language
Step-by-step explanation:
Ответ:
10
Step-by-step explanation:
"three times r" = 3r
"three times r minus ten" = 3r - 10
"product of 5 and the difference of three times r minus ten"
= 5 (3r - 10)
given that r = 4,
the expression becomes
5 (3r - 10)
= 5 [3(4) - 10]
= 5 [12 - 10]
= 5 (2)
= 10