14-05-2021
Mathematics

contestada

What is the missing angle of a quadrilateral if the other three angles are: 40º, 100º and 120º?

Respuesta :

keilholtzk keilholtzk

14-05-2021

Answer:

100°

Step-by-step explanation:

40+100=140.

140+120=260.

There is 360° in a quadrilateral, so

360-260=100.

so, the last angle is 100°.

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