kateywhite05 kateywhite05

08-12-2020
Mathematics

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Please help on question 12 or 13 as soon as possible

Please help on question 12 or 13 as soon as possible class=

Respuesta :

nadia2318116 nadia2318116

08-12-2020

Answer:

to know the summation of angles: (n-2)*180

here (n) represent numbers of sides

12)we have 5 sides (n=5)

(5-2)*180=540

x=540-(105+135+92+87)=121

13)we have 8 sides (n=8)

(8-2)*180=1080

x=1080-(116+158+141+124+136+132+129)=144

I hope it will help

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