220k views
4 votes
Find the unknown sizes of angles in the following ​

2a°
(a+10)°

User Abuharsky
by
7.6k points

1 Answer

5 votes

Answer:

Explanation:

a+2a+a+10=180

4a=180-10

4a=170

a=42.4°

2a=42.5*2=85°

a+10=42.5+10=52.5°

User Rabih
by
7.2k points

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