Mxtrix Mxtrix
  • 24-05-2021
  • Mathematics
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HELLPPPPPP PLEASE I'LL GIVE BRAINLEST

HELLPPPPPP PLEASE ILL GIVE BRAINLEST class=

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Аноним Аноним
  • 24-05-2021

Answer:

Angle A would be 40°

Step-by-step explanation:

The sum of all angles of a triangle is 180° always.

So, the sum of 80° , 11x - 4 and 15x would be 180°

80° + 11x - 4 + 15x = 180°

80 - 4 + 11x + 15x = 180°

76 + 26x = 180

26x = 104

x = [tex]\frac{104}{26}[/tex]

x = 4

Since angle A is 11x - 4, its measure would be

(11 x 4) - 4

44 - 4

40.

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aaloyahdrummond115
aaloyahdrummond115 aaloyahdrummond115
  • 24-05-2021
Answer
A would be 40. I hope this helps!
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