Use the diagram to answer the questions.
C
What is the area of the circle in terms of pi?
1 units
What is the measure of the central angle of the shadec
sector?
A
2170
What is the area of the shaded sector rounded to the
nearest whole number?
units
11
T
Intro

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

Which of the following statements is not true? a.parallel lines are lines in the same plane that never intersect. b.congruent figures have the same shape and same size angles and sides. c.similar figures must have the same shape and the same size. d.a rotation is when you turn a figure around a certain point.

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.