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kotykmax [81]
3 years ago
7

Which of the following statements are true?

Mathematics
1 answer:
olchik [2.2K]3 years ago
7 0

Answer:

II, III, and IV

Step-by-step explanation:

Define:

Similar polygons:

  • Corresponding angles are equal
  • Corresponding sides are in a constant proportion

Congruent polygons:

  • Corresponding angles are equal
  • Corresponding sides are equal

Let's break each statement down one-by-one:

<u>I. Corresponding sides of similar figures are the same.</u>

False - Corresponding sides of similar figures are in a constant proportion, but not necessarily the same. <em>Congruent</em> figures have equal corresponding sides, but similar figures only have their corresponding sides in a constant proportion.

<u>II. Corresponding sides of congruent figures are the same.</u>

True - By definition, corresponding figures have equal sides and angles. Therefore, this statement is true.

<u>III. Corresponding angles of congruent figures are the same.</u>

True - By definition, corresponding figures have equal sides and angles. Therefore, this statement is true.

<u> </u>

<u>IV. Corresponding angles of similar figures are the same.</u>

True - While corresponding sides of similar figures may not be the same, their angles are. This is what gives them the similar characteristic. All similar polygons have equal angles, therefore this statement is true.

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A.
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c.
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Please help I suck at fractions
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185/9

Step-by-step explanation:

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Step-by-step explanation:

the step is only to let 1 be 10000 and then subtract 4308 from 10000 and it u have any confusion then u can also check it by adding the answer with 4308

and that's it.

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What is six ninths minus one third
san4es73 [151]

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The weights of certain machine components are normally distributed with a mean of 8.04 g and a standard deviation of 0.08 g. Fin
NISA [10]

Answer:

The bottom 3 is separated by weight 7.8896 g and the top 3 is separated by weight 8.1904 g.

Step-by-step explanation:

We are given that

Mean, \mu=8.04 g

Standard deviation, \sigma=0.08g

We have to find the two weights that separate the top 3% and the bottom 3%.

Let x be the weight of  machine components

P(Xx_2)=0.03

P(X

=0.03

From z- table we get

P(Z1.88)=0.03

Therefore, we get

\frac{x_1-8.04}{0.08}=-1.88

x_1-8.04=-1.88\times 0.08

x_1=-1.88\times 0.08+8.04

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x_2=1.88\times 0.08+8.04

x_2=8.1904

Hence, the bottom 3 is separated by weight 7.8896 g and the top 3 is separated by weight 8.1904 g.

5 0
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