A figure has 3 identical small quarter circles and 3 identical big quarter circles. Its upper horizontal span is 54 cm, and the upper row extends 6 cm farther than the lower row. Find the radius of a small quarter circle.
Opening the drawing…
MathBrush is being tested with a few parent groups, and every solution on the site is open to them. If you were given a code, it goes in once and this device remembers it. 65 worked examples are free to everyone without one.