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In this lesson, we will learn how to identify arcs, chords, and diameters and use the relations between them to solve problems.
Q1:
Two small circles with the same diameter are drawn inside a larger circle as shown. Given that the diameter of the large circle is 9.8 mm, determine, to the nearest tenth, the area of the shaded part.
Q2:
In the figure, the smaller of the concentric circles is tangent to chord π΄ π΅ at πΆ . If the large circle has radius 67 cm, and π΄ π΅ = 1 2 0 c m , what is the radius of the smaller circle?
Q3:
Given that π΄ π΅ = πΆ π· = ( 6 π₯ + 3 ) c m , π πΈ = ( 3 π₯ + 1 ) c m , and π π = 4 c m , find the length of πΆ π· .
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