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zalisa [80]
2 years ago
11

Find the volume of the triangular pyramid shown below

Mathematics
1 answer:
Greeley [361]2 years ago
6 0

Answer:

B

Step-by-step explanation:

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MAJOR HELP!
Feliz [49]

Answer:

The radius of the cone is 21 units

The volume of the cone is 9702 units³

Step-by-step explanation:

* Lets revise the area of the circle and the volume of the cone

- The base if the cone is a circle

- The area of the circle is πr², where r is the radius of the circle

∵ The area of the base of the cone = 1386 units²

∵ The area of the base = πr²

∵ π = 22/7

∴ 1386 = 22/7 (r²) ⇒ multiply each side by 7

∴ 9702 = 22 r² ⇒ divide both sides by 22

∴ 441 = r² ⇒ take √ for both sides

∴ 21 = r

* The radius of the cone is 21 units

- The volume of the cone = 1/3 πr²h , where h is the height of the cone

∵ The cone's height is equal to the radius of its base

∴ h = r

∵ The volume of the cone = 1/3 πr²h

∴ The volume of the cone = 1/3 πr²(r) = 1/3 πr³

∵ r = 21 units

∴ The volume of the cone = 1/3 (22/7) (21)³

∴ The volume of the cone = 9702 unit³

* The volume of the cone is 9702 units³

3 0
3 years ago
I need help with the real world link
statuscvo [17]
5 degrees because 5 + (-5) is 0

hope this helped

:)
7 0
3 years ago
Michael has a home-based business putting on children's parties. He charges $45 to design the party and then $7.50 per child . W
love history [14]

Answer:

45 + ( 7.50*x)

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
15 POINTS ANSWER ASAP
saw5 [17]
(a) q=0
You would simplify the equation.
3+9=12
12+q=12
Then you would eliminate 12 from both sides, by subtracting.
q=0
7 0
3 years ago
How so u simplify in math​
Vika [28.1K]

Answer:

Remove any grouping symbol such as brackets and parentheses by multiplying factors.

Use the exponent rule to remove grouping if the terms are containing exponents.

Combine the like terms by addition or subtraction.

Combine the constants.

3 0
2 years ago
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