When you make the circle smaller which number in the standard equation for a circvle cnetered at the origin decreases?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Which of the following circles have their centers in the third quadrant? check all that apply.

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given