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Stells [14]
3 years ago
8

Which shapes contain at least one right angle? Select each correct answer.

Mathematics
2 answers:
Andrej [43]3 years ago
8 0
1: Trapezoid
2: rectangle!

STEP BY STEP EXPLINATION


A right angle is exactly 90 degrees, so if the pentagon has 108 degree angles, it’s not a right Angle!

The parallelogram has 107 degree angles and 73 degree angles, it’s not exactly 90.
The trapezoid has two right angles! The two sides make a right angle at the vertex! So, it has a right angle!
Same thing for the rectangle!



HOPE THIS HELPS! HAVE A GREAT DAY!
melisa1 [442]3 years ago
6 0

Answer:

in the picture

Step-by-step explanation:

the sign you see at the corners with arrows (see drawing) indicate a right angle

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Given the six rational numbers below, come up with the greatest sum, difference, product,
Svetlanka [38]

The greatest sum, difference, product and quotient is 9, 12, 90 and 26 respectively.

<h3>How to determine the operations</h3>

Given the numbers -5 1/2, 3. 75, -20. 8, -4, 11 1/4

a. SUM

=8 + 11* \frac{1}{4}

= 8 + \frac{45}{4}

= \frac{32 + 4}{4}

= \frac{36}{4}

= 9

B. Difference

= 8 - (-4)

= 8 + 4

= 12

C. Product

= 8 * \frac{45}{4}

= 2 * \frac{45}{1}

= 90

D. Quotient

= 8 * 3. 25

= 26

Thus, the greatest sum, difference, product and quotient is 9, 12, 90 and 26 respectively.

Learn more about algebra here:

brainly.com/question/4344214

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3 0
3 years ago
the ratio of the length to width in a full-size cello is approximately 8 to 3. What is the width of a full-size cello that is 45
Brut [27]

Answer:

w = 16.875 inches

Step-by-step explanation:

Given that the ratio of the length to width in a full-size cello is approximately 8 to 3.

This will be a constant for all cellos

Using the above we can find out length if we know width and vice versa.

Here we know the length = 45 inches

Since \frac{l}{w} =\frac{8}{3} =\frac{45}{w}

BY cross multiplication we find that

8w = 3(45)

Or w = 16.875 inches

Verify:

Let us check our answer by comparing with proportion

l/w = 45/16.875 = 8/3

Hence our answer is right

6 0
3 years ago
Read 2 more answers
Need help ASAP plz plz plz
iren [92.7K]
The answer for your problem is shown on the picture.

6 0
4 years ago
(4x2 - 6x + 1) divided by (x-2)
Dennis_Churaev [7]

Answer:

x-2

Step-by-step explanation:

3 0
3 years ago
A metal bar has a mass of 960g and a volume of 120cm³. Find the density of the metal in the bar.
aniked [119]

Answer:

Density = 8g/cm³

Step-by-step explanation:

Density = Mass/Volume

Given the following

Mass = 960g

Volume = 120cm^3

Substitute

Density = 960g/120cm^3

Density = 8g/cm³

8 0
3 years ago
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