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solong [7]
1 year ago
14

ZA and ZB are supplementary angles. If mA = (2x − 9)º and m

Mathematics
1 answer:
Papessa [141]1 year ago
6 0

angle A = 30

(2x-9) = (2x+21)
     +9          +9
 2x=2x+30

-2x  -2x

=30

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LMN≅PQR
tresset_1 [31]
<span>LMN≅PQR means that point L is equal to P, point M is equal to Q, and point N is equal to R. All lines are the same.

Point Q has an angle of 72, which means that point M also has an angle of 72.

Now you have two angles to find x. All interior angles of a triangle add up to 180, so you can set up the following equation to find x:

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7 0
3 years ago
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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
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