LynnoxDark7 LynnoxDark7

18-06-2019
Mathematics

contestada

What is the value of y?
у+ 30°
А. 100
ОВ. 55
Ос. 85°
D. 110°

What is the value of y у 30 А 100 ОВ 55 Ос 85 D 110 class=

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

18-06-2019

Answer:

B y=55

Step-by-step explanation:

The sum of the angles of a triangle a 180 degrees

40 + y + (y+30) = 180

Combine like terms

70 + 2y = 180

Subtract 70 from each side

70-70 +2y = 180-70

2y = 110

Divide by 2

2y/2 = 110/2

y = 55

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