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3 years ago

7

Find the unknown sizes of angles in the following a°2a°(a+10)°

1 answer:

Ivenika [448]3 years ago

5 0

Answer:

Step-by-step 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°

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