3 years ago

To prove that opposite sides of the given parallelogram ABCD are congruent, which of the following postulates would you use?

1 answer:

5 0

I would use the answer D

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grin007 [14]

Answer:

Angle y and Angle x are complementary angles

Step-by-step explanation:

we know that

sin(y°)=cos(x°)

then

Angle y and Angle x are complementary angles

∠y+∠x=90°

∠x=90°-∠y

sin(y°)=cos(90°-y°)

therefore

The sine of an angle is equal to the cosine of its complementary angle

6 0

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Mashcka [7]

Step-by-step explanation:

$(2y - 3) = 45 \\ 2y = 48 \\ y = 24$

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mariarad [96]

Answer:

Step-by-step explanation:

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3 years ago

andre [41]

2120 and its more than

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anastassius [24]

Diagram not attached, please add the question.

8 0

3 years ago