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3 years ago

If two or more polygons are congruent, which statement must be true about the polygons? Read all of the choices before deciding.

1 answer:

4 0

If two or more polygons are congruent, you can place one on top of the other, and they will match exactly. Congruent polygons do not have to be parallelograms or regular. Options A, B, and E are true.

Answer: B. A, B, and E

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What the value of r that makes the value true? r+(-0.14)=0.47

siniylev [52]

$r+(-0.14)=0.47\\\\r-0.14=0.47\qquad|\text{add 0.14 to both sides}\\\\r-0.14+0.14=0.47+0.14\\\\r=0.61$

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3 years ago

Please help! acellus

ch4aika [34]

Answer:

The number that belongs in the green box is equal to 909.

General Formulas and Concepts:
Algebra I

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtraction Property of Equality

Trigonometry

[Right Triangles Only] Pythagorean Theorem:
$\displaystyle a^2 + b^2 = c^2$

a is a leg
b is another leg
c is the hypotenuse

Step-by-step explanation:

Step 1: Define

Identify given variables.

a = 30

b = 3

c = x

Step 2: Find x

Let's solve for the general equation that allows us to find the hypotenuse:

[Pythagorean Theorem] Square root both sides [Equality Property]:
$\displaystyle \begin{aligned}a^2 + b^2 = c^2 \rightarrow c = \sqrt{a^2 + b^2}\end{aligned}$

Now that we have the formula to solve for the hypotenuse, let's figure out what x is equal to:

[Equation] Substitute in variables:
$\displaystyle \begin{aligned}c & = \sqrt{a^2 + b^2} \\x & = \sqrt{30^2 + 3^2}\end{aligned}$
Evaluate:
$\displaystyle \begin{aligned}c & = \sqrt{a^2 + b^2} \\x & = \sqrt{30^2 + 3^2} \\& = \boxed{ \sqrt{909} } \\\end{aligned}$

∴ the hypotenuse length x is equal to √909 and the number under the square root, our answer, is equal to 909.

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Learn more about Trigonometry: brainly.com/question/27707750

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Topic: Trigonometry

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2 years ago

Most investors in the stock market are trying to buy a stock at a _______

gogolik [260]

Answer:

Step-by-step explanation:

7 0

3 years ago

What is (3×10) ×8= ------ × (10×8) elementary 5th grade

Tamiku [17]

This is an example of the commutative property of multiplication.

That property states: $(a \times b) \times c = a \times (b \times c)$

So using that property, we can figure out that 3 should be in the blank.

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3 years ago

Read 2 more answers

Please help! is there any solutions?

Digiron [165]

The equations will only have one solution because they have different slopes and also next time use desmos for those kinds of problems it’ll always help

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3 years ago