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chubhunter [2.5K]

2 years ago

9

Which best describes the sides of all trapezoids? A. Opposite sides are parallel. B. All sides are the same length. C. Only one

pair of sides is parallel. D. All sides are different lengths.

2 answers:

Alborosie2 years ago

7 0

A Opposite sides are parallel. I hope this helps :)

marysya [2.9K]2 years ago

4 0

C because a trapozioid is only one pair of sides is parralel

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Work out the size of one of the exterior angles

hodyreva [135]

<u>Given</u><u> </u><u>Information</u><u> </u><u>:</u><u>-</u>

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A polygon with 10 sides ( Decagon )

⠀

<u>To</u><u> </u><u>Find</u><u> </u><u>:</u><u>-</u>

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The value of one of the exterior angles

⠀

<u>Formula</u><u> </u><u>Used</u><u> </u><u>:</u><u>-</u>

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$\qquad \diamond \: \underline{ \boxed{ \pink{ \sf Exterior ~angle = \dfrac {360^\circ}{no. ~of~sides}}}} \: \star$

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<u>Solution</u><u> </u><u>:</u><u>-</u>

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Putting the given values, we get,

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$\sf \dashrightarrow Exterior ~angle = \dfrac{360 ^\circ}{10} \: \: \\ \\ \\ \sf \dashrightarrow Exterior ~angle = \frac{36 \cancel{0}^\circ}{ \cancel{10}} \: \: \\ \\ \\ \sf \dashrightarrow Exterior ~angle = \underline{ \boxed{ \frak{ \red{36^\circ}}}} \: \star \\ \\$

Thus, the value of the exterior angles of a Decagon is 36°.

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$\underline{ \rule{227pt}{2pt}} \\ \\$

8 0

2 years ago

Read 2 more answers

Sophia finished 2/3 of a book. She calculated that she finished 90 more pages than she has yet to read. How long is her book?

TEA [102]

Answer:

The book is 270 pages long.

6 0

2 years ago

If y varies directly as the square root of x and y = 8 when x = 36, find the value of y when x = 144. y =

Wittaler [7]

Answer:

y=32

Step-by-step explanation:

cross multiply

36/4 *144/y

144*8/36

=1152/36

y=32

8 0

2 years ago

I HAVE NO CLUE WHAT IS <br>7+9=?<br>I CANT FIND MY CALCULATOR AND RAN OUT OF FINGERS

Alecsey [184]

Answer:

the correct answer is 16

6 0

3 years ago

How many is?<br> with procedure and testing<br> PLEASE<br><br> -4x + 13 = 6x - 7

slamgirl [31]

To solve for X you must get x by itself so let's get started
-4x+13=6x-7
subtract 13 from both sides
-4x=6x-20
subtract 6x from both sides
-10x=-20
divide both sides by -10
x=2

to check if this is correct plug in x into original equation
-4 (2)+13=6 (2)-7
-8+13=12-7
5=5
answer x=2 holds true :)

6 0

2 years ago