Maxx4069
Answered

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What is the value for y?

Enter your answer in the box.

Y=

C
(5y + 10) degrees

A
50 degrees

B
2x degrees

What Is The Value For Y Enter Your Answer In The Box Y C 5y 10 Degrees A 50 Degrees B 2x Degrees class=

Sagot :

rlesandisusanya

Answer:

y = 14°

Step-by-step explanation:

50° = 2x° (isosceles triangle theorem)

[tex] {50}^{o} = {2x}^{o} \\ \frac{ {50}^{o} }{2} = x \\ {25}^{o} = x \\ [/tex]

50° + 2x° + (5y + 10)° = 180° (The sum of the three angles of any triangle is equal to 180 degrees.)

[tex] {50}^{o} + {2x}^{o} + {(5y + 10)}^{o} = {180}^{o} \\ {50}^{o} + {2(25)}^{o} + 5y + {10}^{o} = {180}^{o} \\ {50}^{o} + {50}^{o} + 5y + {10}^{o} = {180}^{o} \\ {110}^{o} + 5y = {180}^{o} \\ 5y = {180}^{o} - {110}^{o} \\ 5y = {70}^{o} \\ y = \frac{ {70}^{o} }{5} \\ y = {14}^{o} \\ [/tex]

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