How would you prove that ∠2 congruent ∠4?

Acity plans to build a new rectangular-shaped park. the perimeter of the park will be 940 meters. the width of the park will be 300 meters. what will be the length, in meters, of the new park?

The product of (7x-2) and (20-3x)/4. when x=4

The radius of the sphere is 10 units .what is the approximate volume of the sphere use π=3.14