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nordsb [41]
3 years ago
14

Which of these is NOT a method for proving that a quadrilateral is a parallelogram?A.show that one pair of opposite sides is par

allel and the other is not parallel
B.show both pairs of opposite sides are congruent
C.show one pair of opposite sides are parallel AND congruent
D.show both pairs of opposite sides are parallel
Mathematics
1 answer:
Fynjy0 [20]3 years ago
3 0

Answer:

A

Step-by-step explanation:

Show that one pair of opposite sides is parallel and the other is not parallel

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I need to know 7 and 8
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7:
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4 0
4 years ago
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Quadrilateral LMNO is similar to quadrilateral PQRS. Find the measure of side QR.
dalvyx [7]

Answer:

The measure of the side QR is 8.8.

Step-by-step explanation:

Since LMNO \sim PQRS, then SP \propto OL, RS \propto ON, RQ \propto MN and QP \propto LM. From figure we have the following relationship:

k = \frac{OL}{SP} = \frac{ON}{RS} = \frac{MN}{QR} = \frac{ML}{QP} (1)

Where k is the proportionality ratio.

If we know that SP = 13, OL = 55, MN = 37, then the measure of side QR is:

k = \frac{OL}{SP} (1b)

k = \frac{55}{13}

k = \frac{MN}{QR}

QR = \frac{MN}{k} (1c)

QR = \frac{37}{\frac{55}{13} }

QR = 8.745

The measure of the side QR is 8.8.

4 0
3 years ago
In which quadrant or on which axis each of the following points lie.
AlekseyPX

Answer:

(-3,5) Quad 2

(4,-1) Quad 4

(2,0) Positive X axis

(2,2) Quad 1

(-3,-6)​ Quad 3

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

prime numbers are only divisible by 1 and themselves.

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3 years ago
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