3 years ago

Please it's urgent

Physics

1 answer:

Lina20 [59]3 years ago

7 0

Answer:

1=60

2=45

Explanation:

1.f+90+30=180

f+120=180

f=180-120

f=60

2.f+90+45=180

f +135=180

f=180-135

f=45

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