Arc CD is
of the circumference of a circle. What is the radian measure of the central angle?
o
radians
radians
21 radians
4rt radians

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft. what is the area of the stage? enter your answer in the box. ft²

Jocelyn estimates that a piece of wood measures 5.5 cm. if it actually measures 5.62 cm, what is the percent error of jocelyn’s estimate? a. 2.13% b. 2.18% c. 12% d. 46.83%

Pierre wants to make tables and chairs. he has a total of 220220 wooden boards and 760760 nails. 13 t+8 c \leq 22013t+8c≤220 represents the number of tables tt and chairs cc he can make with 220220 wooden boards. 48 t+37 c \leq 76048t+37c≤760 represents the number of tables and chairs he can make with 760760 nails.