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laiz [17]
3 years ago
11

What is the perimeter and area

Mathematics
1 answer:
vredina [299]3 years ago
5 0

Answer:

Perimeter = 18

6 + 6 + 3 + 3=18

Area= 18

6 x 3 = 18

Step-by-step explanation:

I hope this can help!!!

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Please please help!! I'm not sure if I have the right answer!!
lana [24]

Answer: The area of the sector formed by central angle AOB is 5/8 th of the total area of the circle.

Step-by-step explanation:

Let r be the radius of the circle having the center O,

⇒ The area of the circle = \pi r^2  square unit.

And, the central angle AOB = \frac{5\pi}{4}\text{ radian}

=(\frac{5\pi}{4}\times \frac{180}{\pi})^{\circ}  ( since, \pi = 180° )

=(\frac{900}{4})^{\circ}

=225^{\circ}

Hence, the area of sector AOB

=\frac{225^{\circ}}{360^{\circ}}\times \pi r^2

=\frac{5}{8}\times \pi r^2 square unit.

Now,

\frac{\text{Area of sector AOB}}{\text{Area of circle}}=\frac{\frac{5}{8}\times \pi r^2}{\pi r^2}

=\frac{5}{8}

⇒ Area of sector AOB = 5/8 × Area of the circle.

Hence, the area of the sector formed by central angle AOB is 5/8 th of the total area of the circle.

6 0
3 years ago
Read 2 more answers
What is the volume of a box with fractions 5/3 1/4 and 3/2
Andru [333]
15/24 because 5/3 X 1/4 = 5/12 X 3/2= 15/ 24
5 0
3 years ago
Mike can build a go cart in 30 days, Jed can build one in 20 days and Erick in 60 days. If all of them share the work, how quick
Gwar [14]

Answer: 10 days

<u>Step-by-step explanation:</u>

Mike: \frac{x}{30}

Jed: \frac{x}{20}

Erick: \frac{x}{60}

Together: \frac{x}{30} + \frac{x}{20} + \frac{x}{60} = 1

60(\frac{x}{30} + \frac{x}{20} + \frac{x}{60} = 1)

2x + 3x + x = 60

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4 0
3 years ago
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Hey math can you help
HACTEHA [7]
So if we’re talking about meters per second, you would need to divide.

-17.5/5 = -3.5

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The rate of the anchor is 3.5 meters per second.
3 0
3 years ago
What is similar multiplying fractions and whole numbers and what is different?
melomori [17]
You multiply straight across, and one number is  a fraction and the other is not.
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