Solve for the value of S.
1 answer:
<h2>Answer:</h2>
s = 18°
<h2>Step-by-step explanation:</h2>The figure has been re-labelled to show additional information and description and has been attached to this response.
As shown in the figure, line AB is a straight line.
The angles on the straight line are <em>6s + 2</em> and <em>4s - 2</em>
<em></em>
Since the sum of angles on a straight line is 180°, it therefore implies that;
<em>6s + 2</em> + <em>4s - 2 = 180°</em>
<em></em>
<em>Solve for s by collecting like terms and simplifying</em>
6s + 4s + 2 - 2 = 180
6s + 4s = 180
10s = 180
s = 18°
Therefore, the value of s is 18°
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Answer:
The radius of the circle is 10.8 inches
Step-by-step explanation:
Given:
Length of the chord = 20 inches
Distance of the chord from the center of the circle = 4 inches
To find:
radius of the circle=?
Solution:
As shown in the figure below, the radius, r, is the hypotenuse of a right triangle. One leg of the triangle is 4 and the other is half o f20 , or 10. Using the Pythagorean theorem to calculate the length of R, as follows:
R= 10.77
R = 10.8 inches
