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06-12-2021
Mathematics

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What is the value of x?

A. 73°
B. 71°
C. 70°
D. 68°

What is the value of x A 73 B 71 C 70 D 68 class=

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silirobert15 silirobert15

06-12-2021

We have: 540° = 180° - x° + 180° - 52° + 93° + 180° - (x+3)° + 180° - 78°

⇒ 2x° = 140° ⇒ x° = 70°

The answer is C. 70°

ok done. Thank to me :>

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good job