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Oksi-84 [34.3K]
3 years ago
10

What is this symbol??​

Mathematics
2 answers:
Serga [27]3 years ago
8 0

Answer:

plus and minus

Step-by-step explanation:

example : 3 ± 5 = 8 or -2  

Law Incorporation [45]3 years ago
3 0

Hello!

The symbol <u>+ </u>means "plus or minus"

It means we either add or subtract 4.

Example: 2<u>+</u>4=6 or -2

Hope it helps!

~Just a felicitous teen

#CarryOnLearning

SilentNature :-)

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Here it is given that AB || CD

< EIA = <GJB

Now

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∠EIA  ≅ ∠GJB then ∠IKC ≅ ∠ JLD (Substitution Property of Congruency)

∠IKL + ∠IKC 180° and ∠DLH +  ∠JLD =180° (Linear Pair Theorem)

So

m∠IKL + m∠IKC = 180°       ....(1)

But ∠IKC  ≅ ∠JLD

m∠IKC = m∠JLD (SUBTRACTION PROPERTY OF CONGRUENCY)

So we have

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∠IKL and ∠JLD are supplementary angles.

But ∠DLH and ∠JLD are supplementary angles.

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