Math, asked by XSaniaX, 4 months ago

simplify: a)-1+7/-9+11/12
b) -9/11+2/3+-3/4

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Answered by Anonymous

5

draw a diagram that shows incident ray, reflected ray, normal, angle of incidence, angle reflection and a reflecting surface. plz guys answer it

answer in picture

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Answered by UniqueBabe

1

answer is in attachment

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