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qwelly [4]
3 years ago
5

Reference angle for 311 degrees

Mathematics
1 answer:
jenyasd209 [6]3 years ago
8 0

The answer is 49

Step-by-step explanation:

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Need help with these math questions please.
Bas_tet [7]

Answer:

8 - 2π square units.

π/16 - 1/8 square units.

6π - 9√3 square units.

Step-by-step explanation:

The area of the square = 2√2 * 2√2

= 2*2*2

= 8.

The area of the circle = πr^2

= π * [ ( 2√2)/ 2) ]^2

=  π (√2)^2

=  2π.

Second Question:

The area of the circle = π(1/2)^2 = π/4.

Finding the area of the square:

1^2 = 2x^2

x^2 = 1/2

So the area of the square = 1/2

So the area of the red part = 1/4 ( π/4 - 1/2).

= π/16 - 1/8.

Third question

Area of the circle = 6^2 * π = 36π.

Now 60 degrees is 1/6 of 360 degrees so the are of the sector is 6π.

The area of the segment = 6π -  0.5 * 6^2 sin 60

= 6π - 18√3/2

= 6π - 9√3 square units.

6 0
3 years ago
So I took a test from my teachers desk and took photos of the test questions. I am indeed cheating but I just want to know the a
romanna [79]

Answer:

THE CORRECT OPTION IS A) Δ ABC \simΔ BDC \simΔ ADB

Step-by-step explanation:

The first option is in correct order of triangle ,we can easily the their sides are proportionate . And having eqal angles.

8 0
3 years ago
jaxon earned $90 at his job when he worked for 9 hours . what was his hourly pay rate in dollars per hour ?
user100 [1]

Answer:

$10 dollars

Step-by-step explanation:

10x9=90

3 0
3 years ago
Read 2 more answers
What is the answer to 116=4m
Romashka-Z-Leto [24]

Answer: m = 29

Step-by-step explanation:

first, swap the sides.

4m = 116

then, simply divide both sides.

m = 29

3 0
3 years ago
Read 2 more answers
Item: c = p(1 + ). What is the final cost of a $40 item after an 8% tax is applied?
Snowcat [4.5K]

40(0.08) = 3.2

3.2+40

Answer: 43.20

5 0
3 years ago
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