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irga5000 [103]
1 year ago
13

Which equation is made true by the opposite angles theorem?

Mathematics
1 answer:
Oksana_A [137]1 year ago
4 0

Solution

Step 1

The opposite angles of a parallelogram are equal:

Step 2

85\text{ + y  =  3y - 15}

The equation is made true by the opposite angles theorem is

85 + y = 3y - 15

or

y = 50

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