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KonstantinChe [14]
3 years ago
7

If you get how to do this could you please help me on this question?

Mathematics
2 answers:
Strike441 [17]3 years ago
8 0

Answer:

Step-by-step explanation:

area of the sector = 144 π

the whole circle is πr²= 36²π = 1,296π

the whole circle has an angle of 360°

the area of the sector has the angle ∠FAN

∠FAN/360 = 144π/1,296π

∠FAN = 360 * 144π/ 1,296π

∠FAN = 40°

anzhelika [568]3 years ago
7 0
Fan is at 75 degree angle
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aflati masurile a doua unghiuri complementare stiind ca masura unuia dintre ele este cu 18° mai mica decat triplul masurii celui
Ahat [919]

Answer:

The angle is "27 and 63".

Step-by-step explanation:

Let A and B are two angles, in which  A is " \frac{1}{2} " complementary angles  and B be is another complementary angle.

Condition of complementary angle :

A+B =90 ......(i)

Solution:

\ A = \ 3B - 18 \\\\ \ put \ the \ value \ of \ A \ in \ equation.....(i) \\\\  \ Equation:  \\ \\\Rightarrow  \ A\ +\ B \ =\ 90 \\\\\Rightarrow \ 3B\ -\  18 \ + \ B \ = \ 90 \\\\\Rightarrow \ 4B \ = \ 90 +18 \\\\\Rightarrow \ 4B = 108 \\\\ \Rightarrow  B = \frac{108}{4} \\\\ \Rightarrow   B \ = \ 27\\

\ put \ the \ value \ of \ B \ in \ equation (i).\\\\ \ Equation: \\\\\Rightarrow A+B=90\\\\\Rightarrow A+27=90\\\\\Rightarrow A=90-27\\\\\Rightarrow A= 63

7 0
3 years ago
What is the area of a rectangle? Pls help and I will mark brainliest!
Alchen [17]

Answer:

  • A. 168 units²

Step-by-step explanation:

<u>Find the missing side of the rectangle, use Pythagorean:</u>

  • b² = 25² - 7² = 576
  • b = √576 = 24 units

<u>Find area of rectangle:</u>

  • A = ab
  • A = 7*24 = 168 units²

Correct choice is A

7 0
3 years ago
At 7:30 a.m., a bus left Town P for Town Q at a speed of 60 kilometers per hour. 15 minutes later, a car left Town Q and headed
marissa [1.9K]

Answer:

the bus took 4.5 hrs going 60 kph to get from town P to town Q

this means that the distance from town P to town Q is 270 km

side note-the car kph isn't shown and it got to town Q faster than the bus, so it must have gone at a faster speed. i didn't use the car to solve the problem, just the bus.

5 0
3 years ago
PLEASE HELP AND ANSWER BOTH QUESTIONS
nydimaria [60]
D is your answer

Expand and do FOIL method (first outside inside last)
simplify and then choose right answer

A is your answer

Do the same thing

hope this helps
3 0
3 years ago
Read 2 more answers
JT = 2x + 9,<br> CJ = 6x + 4, and<br> CT = 37,<br> Find JT.
Katyanochek1 [597]

Answer:JT=15

Step-by-step explanation:

3 0
3 years ago
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