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harkovskaia [24]
2 years ago
13

I need to know then measurement of c

Mathematics
2 answers:
sergey [27]2 years ago
8 0
C is 666666688888 from my lookings. Jk
melisa1 [442]2 years ago
6 0

Answer:

\huge{ \boxed{ \bold{ \sf{ \pink{80°}}}}}

Step-by-step explanation:

✰ \underline{ \sf{First, \: Let's \: learn \: about \: internal \: angles \: of \: a \: triangle}}

The angles which are formed inside by the joining of arms of a triangle is called interior angles of a triangle. According to the figure provided , In ∆ ABC , ∠ABC , ∠ ACB , ∠ BAC are interior angles because they lie inside the ∆ ABC and sum of such interior angles is always 180°.

❀ \sf{Now, \: Let's \: solve} :

☄ \underline{ \underline{ \sf{Provided : }}}

  • ∠B = 3x°
  • ∠ C = 4x°
  • ∠ A = 2x°

☄ \underline{ \sf{To \: Find :}}

  • Measure of C

✏ \text{Set \: up \: an \: equation \: and \: solve \: for \: x.}

\text{{∠a \:  +  \: ∠ \: b \:  +  \: ∠ \: c \:  =  \: 180 \degree}}

→ \sf{2x + 3x + 4x = 180 \degree}

→ \sf{9x = 180  \degree}

→ \sf{ \frac{9x}{9}  =  \frac{180  \degree }{9} }

→ \sf{x =  20 \degree}

The value of x is 20°. As we are asked to find the measure of ∠C , substituting the value of x in 4x :

\text{∠c = 4x}

→ \sf{∠ \: c \:  = 4 \times 20 \degree}

→ \boxed{ \bold{ \pink{   \sf{∠c \:  = 80 \degree}}}}

Hence , The measure of ∠ C is 80 °

Hope I helped ! ッ

Have a wonderful day / night ! ♡

▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

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