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svet-max [94.6K]
2 years ago
5

4. Reflect the triangle ABC over the y-axis. A(0,4,) B(-1,-1) C(2, -3). What is the coordinate points of B?

Mathematics
1 answer:
liberstina [14]2 years ago
8 0
It’s going to B’ -1,1
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Step-by-step explanation:


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Answer:

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Please help me with this
Tju [1.3M]

Answer:

Option 2: m∠1 = 147°, m∠2 = 80°, m∠3 = 148°

Step-by-step explanation:

Step 1: Consider triangle ABC from the picture attached below.

Lets find angle x

x + 47 + 33 = 180 (because all angles of a triangle are equal to 180°)

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Angle x = Angle y = 100° (because vertically opposite angles are equal)

Step 2: Find angle 2

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Angle 2 = 80°

Step 3: Find angle z

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Step 4: Find angle 1

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Therefore m∠1 = 147°, m∠2 = 80°, m∠3 = 148°

Option 2 is correct

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3 years ago
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Step-by-step explanation:

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