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Andreas93 [3]
2 years ago
13

Need help and please explain how you got the answer. No links I will report.

Mathematics
1 answer:
suter [353]2 years ago
6 0

Answer:

A. 33.49 in^3

Step-by-step explanation:

V = (4/3) x (3.14) x 2^3

= (4 x 3.14)/3 x 8

= (12.56)/3 x 8

= 4.87 x 8 = 33.49 in^3

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Soloha48 [4]
I think The last one in right

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3 years ago
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Please help with geometry thx
anastassius [24]

Answer:

Correct answer:  Fourth answer  As = 73.06 m²

Step-by-step explanation:

Given:

Radius of circle R = 16 m

Angle of circular section  θ = π/2

The area of a segment is obtained by subtracting from the area of the circular section the area of an right-angled right triangle.

We calculate the circular section area using the formula:

Acs = R²· θ / 2

We calculate the area of an right-angled right triangle using the formula:

Art = R² / 2

The area of a segment is:

As = Acs - Art = R²· θ / 2 - R² / 2 = R² / 2 ( θ - 1)

As = 16² / 2 · ( π/2 - 1) = 256 / 2 · ( 1.570796 - 1) = 128 · 0.570796 = 73.06 m²

As = 73.06 m²

God is with you!!!

7 0
3 years ago
Please gyus help me out ..... urgent need......for 20 points please gyus answer it .....​
Lunna [17]

Answer:

I wish I could help you but i have not learn yhat yet. so sorrry :( pleaser forgive jme....... please i beg u plase

Step-by-step explanation:

8 0
3 years ago
ABCDEFGHI is a regular 9-sided polygon.
Igoryamba

Answer:

angle BEF = 100 degrees

Step-by-step explanation:

For a regular 9-sided polygon (nonagon),

each exterior angle = 360/9=40 degrees

each interior angle = 180-40 = 140 degrees.

Referring to diagram, in the trapezoid (trapezium) BCDE, the base angles are 180-140 = 40 degrees.

Therefore angle DEB = 40 degrees

that leaves BEF = 140-40 = 100 degrees

6 0
3 years ago
What percent of 18 is 24? Side info: the answer is not 75% or 133%!!!
vredina [299]

Answer:

133 1/3 %

Step-by-step explanation:

24/18 = 4/3

4/3 * 100 = 133 1/3 %

Missed that 1/3

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3 years ago
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