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3. Triangle ABC formed by connecting the centers of identical circles has a perimeter
of 18 cm. Find the diameter of the circles.
A
BC
4. The centers of 5 circles with a diameter of 8 cm are connected to form trapezoid
ABCD. Find the perimeter of the figure.
AB
DC
3. Triangle ABC formed by connecting the centers of identical circles has a perimeter
of 18 cm. Find the diameter of the circles.
A
BC
4. The centers of 5 circles with a diameter of 8 cm are connected to form trapezoid
ABCD. Find the perimeter of the figure.
AB
DC
