crosstoocozy
crosstoocozy crosstoocozy
  • 18-02-2021
  • Mathematics
contestada

Please help. I don’t know what to do.

Please help I dont know what to do class=

Respuesta :

batmaniscool95
batmaniscool95 batmaniscool95
  • 18-02-2021

Answer:

83

Step-by-step explanation:

The sum of the interior angles of any closed figure will always equal 360º, so what you need to do is add:

109+90+78=?

This will in turn give you 277.

Subtract 277 from 360, and boom, 83 degrees.

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