smartie00 smartie00

09-03-2021
Mathematics

contestada

Can you please help me with this question?

Can you please help me with this question class=

Respuesta :

sqdancefan sqdancefan

10-03-2021

9514 1404 393

Answer:

240°

Step-by-step explanation:

The sum of angles in a quadrilateral is 360°, so you have ...

a° +b° +60° +60° = 360°

a° +b° = 240° . . . . . . subtract 120° from both sides

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