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Brums [2.3K]
3 years ago
7

Given a rectangle with a length of 36 and a width of 9 which rectangle is similar ​

Mathematics
1 answer:
uysha [10]3 years ago
6 0
Do you have an image?
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What is the exact area of a circle with a diameter of 18 feet?
Kitty [74]
The formula for the area of a circle is 

\pi  r^{2}

We know the diameter, and the radius is half of the diameter.  So the radius is 9.  Now we plug that into the formula.

\pi  9^{2} =81 \pi

So the answer is B, 81 pi square feet
7 0
3 years ago
Please help i tried so hard and its not right
garik1379 [7]

Answer:

<u>10.75%</u>

Step-by-step explanation:

so, you need the total price, which would be 17,850+2,150=20,000 as the whole price of the car, then you need to find what precent 2,150 is of 20,000. then use this formula for finding the precent.

2150/20000 times 100%=10.75%

8 0
2 years ago
Read 2 more answers
A chord of a circle is 66cm long, it is 56 cm from the center of the circle. What is the radius of the circle?
ser-zykov [4K]

Answer:

radius = 65 cm

Step-by-step explanation:

(See image attached for better comprehension)

To find the value of the radius, we just need to draw a triangle, where one side is half of the chord (the distance from the chord to the center creates a point that divides the chord in two equal segments), other side is the distance from the chord to the center, and the hypotenusa will be the radius.

So, using Pythagoras' theorem, we have that:

r^2 = 56^2 + 33^2

r^2 = 4225

r = 65 cm

4 0
3 years ago
Please help i really don't understand ​
Bezzdna [24]

Answer:

3.75

Step-by-step explanation:

That is the decimal

7 0
2 years ago
Read 2 more answers
PLEASEEE HURRYYY
Masteriza [31]

Answer:

(2,-5) and (2,1).

Step-by-step explanation:

We need to find the find all the points having an x coordinate of 2 whose distance from the point (-2,-4) is 5.

A circle with center (-2,-4) and radius 5 represents all the points whose distance from the point (-2,-4) is 5.

Standard form of a circle is

(x-h)^2+(y-k)^2=r^2

where, (h,k) is center and r is the radius.

(x-(-2))^2+(y-(-4))^2=(5)^2

(x+2)^2+(y+2)^2=25

Now, put x=2.

(2+2)^2+(y+2)^2=25

(4)^2+(y+2)^2=25

(y+2)^2=25-16

(y+2)^2=9

Taking square root on both sides.

y+2=\pm\sqrt{9}

y+2=\pm3

y+2=-3\text{ or }y+2=3

y=-5\text{ or }y=1

So, the y-coordinates of the points are -5 and 1.

Therefore, the required points are (2,-5) and (2,1).

8 0
3 years ago
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