To solve a problem, we often _________ the given information into algebraic expressions and equations.
2 answers:
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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
Answer:
The value of given expression is 22.5.
Step-by-step explanation:
The given expression is
Where, c=6 and d=7.
Substitute c=6 and d=7 in the given expression.
Therefore the value of given expression is 22.5.
