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balu736 [363]
3 years ago
11

If RT is 10 centimeters long, what is ST?

Mathematics
2 answers:
ioda3 years ago
5 0
The answer is 6 centimeters
Vanyuwa [196]3 years ago
4 0

Answer:

6 centimeters

Step-by-step explanation:

Given : Length of RT is 10 centimeters .

           Length of RS is 2x centimeters .

           Length of ST is 3x centimeters .

To Find : Length of ST .

Solution :


RS = 2x


ST=3x


RT = 10


Refer the given figure

we can see that RS +ST = RT


⇒2x+3x=10


⇒5x=10


⇒x=\frac{10}{5}


⇒x=2


Thus the value of x is 2

And we are given RS = 2x and ST = 3x


⇒RS = 2x = 2*2 = 4 cms


⇒ST = 3x = 3*2 = 6 cms


Hence , The length of ST is 6 centimeters.



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A sector with a radius of 15 cm has a central angle measure of 8π/5 what is the area of the sector
Inessa05 [86]

Answer:

area of the sector = 360π cm²

Step-by-step explanation:

To calculate the area of the sector, we will follow the steps below;

First write down the formula for calculating the area of a sector.

If angle Ф is measured in degree, then

area of sector = Ф/360   × πr²

but if angle Ф is measured in radians, then

area of sector = 1/2 × r² × Ф

In this case the angle is measured in radiance, hence we will use the second formula

From the question given, radius = 15 cm  and angle Ф = 8π/5

area of sector = 1/2 × r² × Ф  

                         =1/2 × 15² ×  8π/5

                         =1/2 ×225 × 8π/5

                          =360π cm²

area of the sector = 360π cm²

8 0
3 years ago
I will give brainliest answer
adell [148]

Answer: A=351.68 cm²

Step-by-step explanation:

To find the area of the shaded region, we would subtract the area of the circle by the area of the inner circle.

Area of Circle

A=\pi r^2

A=\pi (11)^2

A=121\pi

Area of inner (white) circle

A=\pi r^2

A=\pi (3)^2

A=9\pi

Now that we have the area to the circle and inner circle, we would subtract to find the area of the shaded region.

A=121\pi -9\pi

A=112\pi

A=351.68 cm^2

3 0
3 years ago
Find the radius of a circle with a circumference of 36 Inches
tatiyna

Answer:

r = 18/pi

or approximately 5.7325 inches

Step-by-step explanation:

The circumference is given by

C = 2*pi*r

36 = 2*pi*r

Divide each side by 2 pi

36/(2pi) = r

18/pi = r

Letting pi = 3.14

18/3.14

5.732484076 = r

7 0
2 years ago
Read 2 more answers
8 - 1/3 x = 16 please help
Len [333]

Hope you can understand the handwriting :)

7 0
3 years ago
The value of the 3 in 395,047 is
Brrunno [24]

The value of the 3 in 395,047 is 10 times greater than the
value of the 3 in 136,258.

What is the place value of a number?
In mathematics, place value refers to a digit's location within a number. A number has a slot for each digit. The placement of each digit will be enlarged when we represent the number in general form. These positions begin at the unit place, often known as the individual's position. Units, tens, hundreds, thousands, ten thousand, one hundred thousand, and so on are the place values of a number's digits from right to left.

Given, the number in consideration is 395,047.
The place value of 3 in the given number is hundred thousands.
A value 10 times smaller than this given number must have three in the ten thousands place.
Out of 386592, 283429, 136258, 123694; only 136258 has three in ten thousands place.
Therefore, the value of the 3 in 395,047 is 10 times greater than the
value of the 3 in 136,258.  

To learn more about this, tap on the link below:
brainly.com/question/25137147

#SPJ9

5 0
1 year ago
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