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Charra [1.4K]
3 years ago
10

What solid is generated when a rectangle is rotated about a line.? a)rectangular pyramid b)cylinder c) rectangular prism d) cone

Mathematics
2 answers:
dlinn [17]3 years ago
8 0
I believe it is a cylinder.
vesna_86 [32]3 years ago
6 0

A solid is a three-dimensional figure obtained by rotating a two-dimensional figure around a straight line .

Different two dimensional figure give different three dimensional figure .

A cone is formed by rotating a right triangle about any line,a sphere is formed by rotating a circle .

If we look at the figure formed by rotating a rectangle around a line the three dimensional figure formed is a cylinder.

The answer is option b)cylinder .

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Help ASAP I need the answer now please.
DiKsa [7]

Answer:

B. 94

Step-by-step explanation:

Angle B = 180 - 143 = 37°.

Angle B + Angle C + Angle D = 180°

37° + 49° + Angle D = 180°

Angle D = 180° - 86° = 94°

5 0
3 years ago
What is N in -2n+2(3n+14)=-20​
seraphim [82]

Answer:

To solve for n you need to get it by itself

First you want to distribute your 2 through the (3n+14)

-2n+6n+28=-20 (2*3n+2*14= 6n+28)

Now you want to combine any like terms if possible

4n+28=-20 (-2n+6n=4n, both like terms)

Then you want to subtract -28 from both sides

4n=-48 (28-28=0, -20-28=-48)

Lastly you want to divide both sides by 4

n=-12 (4n/4=n, -48/4= -12)

4 0
3 years ago
Lin father is paying for a 20 meal he has a 15 off coupon for the meal what is the total after the discount
wel

Answer:

3

Step-by-step explanation:

20÷100=0.2

0.2×15=3

:)

4 0
2 years ago
Read 2 more answers
Find 2 ways to make the addition problem H E + M E = W E work
umka21 [38]
E.g.
10+20=30\\ 50+30=80

7 0
3 years ago
I need help with this
Sloan [31]
That equals 27 hope this helps
3 0
3 years ago
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