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Nastasia [14]
3 years ago
10

Solve for × and then find the missing angle in the triangle below. SHOW ALL WORK.

Mathematics
2 answers:
Sholpan [36]3 years ago
8 0

Answer:

x = 4°

Step-by-step explanation:

all angles in a triangle sum up to 180°

6x + 38° + 5x + 8° + 90° = 180 °

11x +136° = 180°

11x = 44°

x = 4°

JulsSmile [24]3 years ago
3 0

Answer:

The value of x is <u>4</u>.

  • ∠E = 62⁰
  • ∠G = 28⁰
  • ∠O = 90⁰

Step-by-step explanation:

As we know that the sum of interior angles of triangle is 180⁰.

So, adding all the given sides and subtracting to 180⁰, to find the value of x.

\begin{gathered} \quad{\implies{\sf{Sum\:of\:all\: angles={180}^{\circ}}}}\\\\\quad{\implies{\tt{6x + {38}^{\circ} +  {90}^{\circ} +5x + {8}^{\circ} = {180}^{\circ}}}}\\\\\quad{\implies{\tt{(6x + 5x) + ({38}^{\circ} + {90}^{\circ} + {8}^{\circ}) = {180}^{\circ}}}}\\\\\quad{\implies{\tt{(11x) + ({128}^{\circ} + {8}^{\circ}) = {180}^{\circ}}}}\\\\\quad{\implies{\tt{(11x) + ({136}^{\circ}) = {180}^{\circ}}}}\\\\\quad{\implies{\tt{11x + {136}^{\circ} = {180}^{\circ}}}}\\\\\quad{\implies{\tt{11x = {180}^{\circ} -  {136}^{ \circ}}}}\\\\\quad{\implies{\tt{11x = {44}^{ \circ}}}}\\\\\quad{\implies{\tt{x = \dfrac{44}{11}}}}\\\\\quad{\implies{\tt{\underline{\underline{x = 4}}}}}\end{gathered}

Hence, the value of x is 4.

Now, we know the value of x. So, calculating the mission angles of triangle :

  • ➠ ∠E = 6x+38⁰ = 6×4+38 = 62⁰
  • ➠ ∠G = 5x+8⁰ = 5×4+8 = 28⁰
  • ➠ ∠O = 90⁰

\rule{300}{2.5}

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Step-by-step explanation:

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