Here_to_Help15
  • Here_to_Help15
H_e_L_p M_E _P_L_E_A_S_E
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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Here_to_Help15
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@phi
phi
  • phi
how many degrees to go all the way around a circle?

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Here_to_Help15
  • Here_to_Help15
360
Here_to_Help15
  • Here_to_Help15
@amistre64
Here_to_Help15
  • Here_to_Help15
@pooja195
phi
  • phi
yes, 360. notice that your circle is divided into 3 pieces and if you add up the 3 pieces you should get 360 can you write down the "sum" ?
Here_to_Help15
  • Here_to_Help15
120
Here_to_Help15
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@phi
Here_to_Help15
  • Here_to_Help15
:/
phi
  • phi
the "numbers" they give you have x's in them write down all three "expressions" with a plus sign in between them
Here_to_Help15
  • Here_to_Help15
What? i dont follow
Here_to_Help15
  • Here_to_Help15
Oh wait
Here_to_Help15
  • Here_to_Help15
So \[ (8x+10) + (6x) + (10x+10)\]
Here_to_Help15
  • Here_to_Help15
?
phi
  • phi
yes and that must equal 360 \[ (8x+10) + (6x) + (10x+10) = 360 \] because they represent the whole circle.
phi
  • phi
although the first term should be 8x-10 (not 8x+10)
Here_to_Help15
  • Here_to_Help15
Oops sorry
Here_to_Help15
  • Here_to_Help15
So @phi is 15 ????
Here_to_Help15
  • Here_to_Help15
is it*
Here_to_Help15
  • Here_to_Help15
P.S i just plugged it in :)
phi
  • phi
yes, that is one way to do the problem. you could also add up the x's 8x+6x+10x= 24x and -10+10 = 0 so it simplifies to 24x= 360 x= 360/24 = 15
Here_to_Help15
  • Here_to_Help15
So now part B ?
phi
  • phi
the angles of the triangle are 1/2 the opposite "arcs" figure out what each arc is (plug 15 into each one )
Here_to_Help15
  • Here_to_Help15
huh?
Here_to_Help15
  • Here_to_Help15
For B i was gonna but isosceles
phi
  • phi
if you get the same number for each arc you have an equilateral triangle. if 2 out of the 3 are the same, it's isosceles if all 3 are different , it's scalene
Here_to_Help15
  • Here_to_Help15
Well yes i summed it up to 2 out of 3
Here_to_Help15
  • Here_to_Help15
Am i correct?
phi
  • phi
what numbers did you get for 8x-10 6x 10x+10 ?
Here_to_Help15
  • Here_to_Help15
I got 110, 90,160 and oops i meant scalene
phi
  • phi
and the actual angles of the triangle are 55, 45 and 80 yes, definitely scalene
Here_to_Help15
  • Here_to_Help15
;) Thanks so much can we do just 2 more :)

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