Page 91 - NUMINO TB_4B
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126_G4U24_G5U6˙—» ¿º 2011.3.23 5:37 PM ˘ ` 80 PDF_In 2540DPI 150LPI T
Challenge Application Problems
1 . Solve each problem by using circles.
a. The diameter of the large circle is 12 cm. Find the radius of the
small circles.
The diameter of the large circle is 2 times
the diameter of the small circle.
6 cm 6 cm The diameter of the
small circles is 6 cm.
So the radius of the
small circle is 3 cm.
b. What is the radius of the large circle?
6 cm 3 cm
The radius of the
small circle is 3 cm.
80
Challenge Application Problems
1 . Solve each problem by using circles.
a. The diameter of the large circle is 12 cm. Find the radius of the
small circles.
The diameter of the large circle is 2 times
the diameter of the small circle.
6 cm 6 cm The diameter of the
small circles is 6 cm.
So the radius of the
small circle is 3 cm.
b. What is the radius of the large circle?
6 cm 3 cm
The radius of the
small circle is 3 cm.
80
