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babunello [35]
2 years ago
13

What is th GCF of 21 and 18

Mathematics
2 answers:
swat322 years ago
6 0

Answer:

The GCF of 21 and 18 would be 3


Step-by-step explanation:

Factors of 18:

1, 3, 6, 9, 18

Factors of 21:

1, 3, 7

The only common factors between the 2 are 1 and 3 but you want the greatest so you choose 3.

Hope this helps! :)

<h3>CloutAnswers</h3>
ZanzabumX [31]2 years ago
5 0

Answer:

The answer is 3.

Explanation:

Factors of 18:

1, 2, 3, 6, 9, 18.

Factors of 21:

1, 3, 7.

The highest number that both sets contain is 3, so the GCF will be 3.


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If the surface area of a cube is 294, whats the length of the cube?
tatyana61 [14]

Answer:

7

Step-by-step explanation:

Total number of surfaces of cube are 6.

Each surface is square.

And area of square is (side)^2

That means, total surface area will be 6 * (side)^2

From question,

294 = 6 * (side)^2 ( Surface area given)

=> 294 ÷ 6 = ( side) ^2

=> 49 = side^2

=> √49 = side

=> 7 = side

So, length of edge of cube is 7

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barxatty [35]

Answer:

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Step-by-step explanation:

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3 years ago
A triangle has base angles of 52.5 degrees each. What is the measurement of the third angle?
guajiro [1.7K]

Answer:

The answer is 75 degrees

Step-by-step explanation:

All triangles interior angles will at up to 180. 52.5+52.5= 105. 180-105= 75 degrees.

3 0
2 years ago
If line P bisects segmentAD at point O and if AO=z+4 and AD =3z-11, find OD
sleet_krkn [62]

Answer:

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Alexxandr [17]
Your answer is 2,401
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