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3 years ago

How could a quadrilateral be a parrallelogram

Mathematics

1 answer:

gizmo_the_mogwai [7]3 years ago

4 0

Answer: i don't know the answer but im going to list conjectures of what make a parallelogram a parallelogram

Step-by-step explanation:

Parallelogram opposite angles conjecture: Opposite sides of a parallelogram are congruent.

Parallel opposite sides conjecture: opposite sides of a parallelogram are congruent.

Parallelogram diagonals conjecture: the diagonals of a parallelogram bisect each other

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Answer:

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3 years ago

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3 years ago

Read 2 more answers

The given value below figure find the value of x

tino4ka555 [31]

Answer:

Step-by-step explanation:

We know:

The sum of the quadrilateral angles measures 360°.

Therefore we have the equation:

$30^o+39^o+48^o+m\angle D=360^o\qquad(1)$

The sum of angles x and D is equal to 360°. Therefore we have the other equation:

$x+m\angle D=360^o\qquad(2)$

From (1) and (2) we have:

$x+m\angle D=30^o+39^o+48^o+m\angle D\qquad\text{subtract}\ m\angle D\ \text{from both sides}\\\\x=30^o+39^o+48^o\\\\x=117^o$

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3 years ago

Quality control finds on average that 0.026% of the items from a certain factory are detective. One month, 4000 items are checke

telo118 [61]

Given that 4000 items are checked in one month, let the number of detective items be represented as y.

Quality control finds on average that 0.026% of the items in the factory are detective. This implies that

$\text{Number of }\det ective\text{ items = }\frac{\text{0.026}}{100}\times\text{Total number of items checked}$

When 4000 items are checked, we have the number of detective items to be evaluated as

$\begin{gathered} \text{Number of }\det ective\text{ items = }\frac{\text{0.026}}{100}\times\text{Total number of items checked} \\ y=\frac{0.026}{100}\times4000 \\ \Rightarrow y=1.04 \end{gathered}$

Hence, the number of detective items is 1.04.

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1 year ago