Find the circumference and the area of a circle with diameter 6 cm use the value 3.14 for pie , and do not round your answers. be sure to include the correct units in your answers.

Plz which expression is equivalent to the expression below?

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

Ineed with number 6 , explain how to get 1978