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Help please and thank you

Help Please And Thank You class=

Sagot :

dreyes3235

Answer:

A --> 57

Step-by-step explanation:

you can find the linear pair on YH by getting 180 and subtracting it by 106 giving 74. Add 74 and 49 to get 123. The rule with triangles is that all angles inside one equal 180 so get 180 and subtract it by 123 which gets you 57.

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