Question

find the value of (-30)+45+(-45)​

Answer 1

Answer:

(-30) + (45) +(-45)

(-75)+(45)

(-30)

-30 is right answer

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Answer 2

Step-by-step explanation:

45°-Angle Values (from a 45-45-90 triangle)

All 45-45-90 triangles are similar; that is, they all have their corresponding sides in ratio. (An angle measuring 45° is, in radians, \frac{\pi}{4}

4

π

.) So let's look at a very simple 45-45-90:

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