stephaniejm04308 stephaniejm04308

21-07-2021
Mathematics

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Solve for x.
A) - 9
C) -5
B) -11
D) 10

Solve for x A 9 C 5 B 11 D 10 class=

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jessmzhou4 jessmzhou4

21-07-2021

Answer: D) 10

Step-by-step explanation:

All angles in a triangle adds up to 180°

60° + 50° + 7x = 180°

7x = 180° - 60° - 50° = 180°- 110° = 70°

x = (70 ÷ 7)° = 10°

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