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Dmitriy789 [7]
3 years ago
11

Complete the two-column proof by providing the missing statements or reasons.

Mathematics
2 answers:
gogolik [260]3 years ago
5 0

Answer:

ABCD is equal to <= ad-bc-cd-ba

,><

Step-by-step explanation:

Fynjy0 [20]3 years ago
5 0

Answer:

Proof is stated below.

Step-by-step explanation:

Given: ABCD is a rhombus.

To Prove: <1 is congruent to <2.

Therefore,

Given: ABCD is a rhombus.

AD = BC = CD = BA: Definition of a parallelogram / rhombus ; four equal sides.

DO = OB ; AO = OC ; Diagonals of a parallelogram bisect each other.

Triangle DOC is congruent to BOA ; SAS (Side-Angle-Side) theorem.

<1 is congruent to <2 ; Definition of a parallelogram ; consecutive angles are supplementary.

Hence, proved.

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Vertex: (1, 6)

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Step-by-step explanation:

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3 years ago
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3 years ago
The perimeter of a rectangular construction site is 124 meters. The width is eight meters more than 5 times the length. Find the
tresset_1 [31]

Answer:

The perimeter of a rectangle is the sum of both lengths and both widths, which is equal to 54 meters. Let's call Length L and Width W.

The question is saying this: L = 3 meters + 3(W). We have 2 variables, which means we need at least 2 equations to solve. So far we have one, our second equation is from the perimeter.

2 lengths + 2 Widths = 54. Now, it's just a plug and chug.

2(3 + 3W) + 2W = 54.

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7 0
3 years ago
What does y equal ??!?!
garik1379 [7]
<h3>Answer:  658.3</h3>

==================================================

Explanation:

The adjacent complementary angle to that 28 degree angle is 62 degrees because 62+28 = 90.

If the reference angle is the upper acute angle 62 degrees, then the y is the opposite leg and the side 350 is the adjacent leg.

Use the tangent ratio

tan(angle) = opposite/adjacent

tan(62) = y/350

350*tan(62) = y

y = 350*tan(62)

y = 658.254262871217

y = 658.3

3 0
3 years ago
Read 2 more answers
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