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Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?