10.4-10.7 Flashcard Review

Front

What is the standard form of the equation of a circle with center (0,0) and radius 8?

Back

Front

What is the value of x if the options are 18, 26, 52, 67 and the correct answer is 26?

Back

x = 26

Front

Using tangent lines, what is the value of x if the options are 60, 120, 30, 300 and the correct answer is 120?

Back

x = 120

Front

What is the measure indicated if the options are 20 degrees, 40 degrees, 60 degrees, 80 degrees and the correct answer is 20 degrees?

Back

20 degrees

Front

If line t is tangent to the circle, what is the measure indicated if the options are 51 degrees, 102 degrees, 129 degrees, 258 degrees and the correct answer is 102 degrees?

Back

102 degrees

Front

Define a tangent line in relation to a circle.

Back

A tangent line is a straight line that touches a circle at exactly one point.

Front

What is the formula for the circumference of a circle?

Back

Front

What is the relationship between the radius and diameter of a circle?

Back

Front

What is the area of a circle with radius r?

Back

Front

What is the definition of a circle?

Back

A circle is a set of points in a plane that are equidistant from a fixed point called the center.