False ..... In order for events to be proven you have to have examples or evidence to prove those events. Which interns, Science as well as Math comes into play to prove those events. But more Science because of the Scientific method. Yet, Math is used When collecting data but other than that, the answer is no. Hopefully this helps.
Area of a circle is π*r² sub what we're given 49π= πr² 49π= π*r² r²= 49π/π r²=49 r=7 The diameter is twice the radius therefore the diameter is 14 units