A circle has a radius of 5.5mm. A sector of the circle has a central angle of
radians. Find the area of the sector. Do not round any intermediate computations. Round your answer to the nearest tenth.

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.

Point q is equidistant from the sides of ∠tsr. find m∠rst.