A circle has a radius of 63 millimeters. What is the length of the arc intercepted by a central angle that measures 40°?

34.64 mm

21.98 mm

43.98 mm

395.84 mm

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle