Circle B is shown. Line segments A B and C B are radii. The length of A B is 6. Sector A B C is shaded.
The measure of central angle ABC is StartFraction pi Over 2 EndFraction radians.

What is the area of the shaded sector?

6Pi units squared
9Pi units squared
18Pi units squared
36Pi units squared

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. using the technique in the model above, find the missing segments in this 30°-60°-90° right triangle. ab = 8 bc = 4 cd =

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.