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
Gekata [30.6K]
3 years ago
13

Prove: If a chord of a circle has a common end point with a diameter and makes an angle of 30° with it, prove that the distance

from the center to the chord is one-fourth the length of the diameter.

Mathematics
1 answer:
nignag [31]3 years ago
6 0

Step-by-step explanation:

The perpendicular distance between the chord and the center of the circle forms a right triangle with the chord and the radius.  Using trig:

sin 30° = x / (D/2)

sin 30° = 2x / D

1/2 = 2x / D

x = D/4

You might be interested in
George borrowed $300 from a family member. He told the family member he would pay $50 each month for 6 months to pay it all back
ohaa [14]
The answer is a because im smart
5 0
3 years ago
Read 2 more answers
A line passes through the point (0,-4) and has slope-5. What is the equation of the line in slope-intercept form?​
Mazyrski [523]
Y= -5x -4 because you would do slope intercept form and sub the y and x in for -4 and 0
4 0
3 years ago
Read 2 more answers
In variogram modeling with multiple variables and anisotropy, if all the variograms cannot be modeled well, it is critical to mo
siniylev [52]

Answer:

The statement is false.

Step-by-step explanation:

If the modeling is with multiple variables it is necessary for all the variables to be modeled well such that the criticality of the model is dependent on all the variograms. It is not dependent on the cross variograms only.

6 0
3 years ago
PLSSS HELP IF YOU TURLY KNOW THISS
Nikolay [14]

8²

(8^3)(8^-2)(8^1)

=512(8^-2)(8^1)

=512(1/64)(8^1)

=8(8^1)

=(8)(8)

=64

√64=8

(8•8 so 8²)

4 0
2 years ago
Read 2 more answers
The value of a new car decreases by 10% in the first year. How much will a car be worth after one year if it’s initial value was
yan [13]

Answer:

$36000

Step-by-step explanation:

$40 000(0.10) = $4000

$40000 - $4000 = $36000

5 0
3 years ago
Other questions:
  • In a bouquet of​ flowers, there are 7 daisies and 17 roses. write the ratio of daisies to roses in three different ways.
    6·1 answer
  • Describe how you would use a yardstick to measure the length of a rug?
    8·1 answer
  • The perimeter of a square is 32 centimeters. What is the length of one side?
    15·1 answer
  • Please I really need help on this matter question
    8·2 answers
  • Find the volume of the cone. Leave your answers in therms of pi.
    9·1 answer
  • What is the equation of the line?
    5·2 answers
  • The expression 3(1.5)^t models the number of bacteria in a culture as a function of the number of hours since the cultures was c
    8·2 answers
  • Packages of sugar bags for Sweeter Sugar Inc. have an average weight of 16 ounces and a standard deviation of 0.3 ounces. The we
    6·1 answer
  • Do the side lengths 15,20 and 25 form a right triangle?<br><br><br> PLEASEEEE HELPPPP!!! asap
    7·1 answer
  • The following is a parallelogram solve for the variables
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!