kayleahwilliams6
25.01.2021 •
Mathematics
What is the measure of angle b?
A. 36⁰
B. 117⁰
C.63⁰
D. 56⁰
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Ответ:
A
Step-by-step explanation:
180⁰= a+b+81⁰
a=180⁰-117⁰=63⁰
b=180⁰-63⁰-81⁰=36⁰
Ответ:
-4(3 - 5x) turns into -12+20x