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LenaWriter [7]
3 years ago
13

The perimeters of the triangles shown are equal. Find the side lengths of each

Mathematics
1 answer:
atroni [7]3 years ago
8 0
Jtzotztkztozitzoyxykzylzotztizittoztizitztizitztozotztoztiztozitztizztizitztizttozoyzoyztto
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Please help I don’t understand this and I can’t figure it out.
ryzh [129]
So the groups of angles that make a line (like 130 and i or p a and t) should equal 180. however, the triangles should also equal 180. so in this case for the top row, we know that 130+j=180. since 180-130=50 (i did the inverse of addition, subtraction), j=50. now let’s say for that triangle that your top two angle measures were the 50 we just found and the 70 you have written just as an assumption but i have no clue what you were actually given. since triangles angles must equal 180, 50+70+that angle =180. 50+70=120, so if we do the inverse of 180-120=60, we find out that the bottom angle is 60 degrees.
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2 years ago
Equivalent to 13/5<br> A.2.4<br><br> B.2.45<br><br> C.2.55<br><br> D.2.6 <br><br> NEED HELP ASAP!!!!
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D is the answer because 13 goes into 5 twice and 3 Is left over multiply that by two to get 6/10 than that it's equivalent to .6 so it is 2.6
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3 years ago
Find the missing angle.
Lina20 [59]

Answer:

0.76 or 0.8

Step-by-step explanation:

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