On a trip to the museum, Lance saw a replica of a circular shield used by ancient Greek soldiers. If the circumference of the shield is 100.48 inches, its radius is____inches and the area of the front

On a trip to the museum, Lance saw a replica of a circular shield used by ancient Greek soldiers. If the circumference of the shield is 100.48 inches, its radius is____inches and the area of the front of the shield is about_____square inches.

Option for the first blank : 524, 32, 16, and 8

Options for the second blank ____ : 1,607.68, 803.84, 602.88, and 401.92

PLEASE HELP ASAP!!!!!!!!!!