deannajd03
10.11.2020 •
Mathematics
B) What is the value of 3V125 ?
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Ответ:
Explanation:
Cube root (125) = Cube root(5^3) = 5
Ответ:
■
a = 141°
b = 13°
c = 26°
■ Step-by-step explanation:
a = 128 + b
c = 2b
a + b + c = 128
replace a & c
(128 + b) + b + 2b = 180
4b = 180 - 128
4b = 52
b = 13°
a = 128° + 13° = 141°
c = 2×13° = 26°