1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Eddi Din [679]
2 years ago
5

The perimeter of a semicircle is 81.212 yards. what is the semicircle's diameter?

Mathematics
1 answer:
adoni [48]2 years ago
4 0

\textit{circumference of a semicircle}\\\\ C=\pi r ~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ C=81.212 \end{cases}\implies 81.212=\pi r\implies \cfrac{81.212}{\pi }=r \\\\\\ \stackrel{\textit{its diameter is}}{2r\implies 2\left( \cfrac{81.212}{\pi } \right)} ~~ \approx ~~ 51.7

You might be interested in
Which is true about the solution to the system of inequalities shown? y < x – 1 y < x – 3 All values that satisfy y < x
Masteriza [31]
<span>solution of a system of linear equations</span>
7 0
2 years ago
Read 2 more answers
What is the circumference of the circle if r = 3.5 feet? Use 22 7 for π.45 pts
Natasha_Volkova [10]
We know, Circumference of a Circle = 2πr
C = 2 * 22/7 * 3.5
C = 2 * 22/2
C = 2 * 11
C= 22

In short, Your Answer would be 22 Feet 

Hope this helps!
6 0
2 years ago
Read 2 more answers
Calculate the area of rectangle if the area of the shaded triangle is 2.6cm​
bagirrra123 [75]

Answer:

12

Step-by-step explanation:

3 0
3 years ago
Whats 58 ÷ 495 it has a remander what is it? Please explain
bija089 [108]
There’s an app called Photomath download its free it’s simple it gives u the answer and shows how to work it out
4 0
2 years ago
Circle the ratio which is the same as 1 cm represents 2m<br>1:2<br>1:20<br>1:200<br>1:2000​
Ostrovityanka [42]

Answer:

1 cm: 200 cm (if they don't give units) (most likely this answer) (1:200)

if the units are centimeter and meter though, then it's

1:2

Step-by-step explanation:

there are 100 cm in 1 meter, so 1cm:2m

is actually 1cm : 200cm

7 0
3 years ago
Other questions:
  • The equation of the line of best fit of a scatter plot is y = −4x − 6. What is the slope of the equation?
    5·2 answers
  • To calculate the total purchase price of on-sale items with a 6% sales tax, you must ______.
    8·2 answers
  • 11. Ben received 3% more votes than Sam during the team captain election. If Ben and Sam were the only two candidates, what perc
    15·1 answer
  • Using addition formulas for sine and cosine to simplify the expression:
    9·1 answer
  • For the function, f(x)=13x7+9x6−5x5−10x4+7x3−23x2+x−17 , state the possible number of: Positive Real Zeroes
    9·1 answer
  • Please help me solve for x
    7·1 answer
  • The measures of Z1 and 22 are 30% and 45% of the sum of the angle measures of the triangle. Find
    5·1 answer
  • Which is a coefficient in the expression (3x5)+4x
    14·1 answer
  • Type the missing numbers in this sequence: <br>93, __, __, 87, 85, 83​
    10·2 answers
  • I NEED HELP WITH THIS MATH PROBLEM!!!!
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!