Archaeology An archaeologist found pieces of a jar. She wants to find the radius of the rim of the jar to help guide her as she reassembles the pieces. What is the radius of the rim?
How does the construction help find the center?
The perpendicular bisectors contain diameters of the circle. Two diameters intersect at the circle's center.
Step 1 Trace a piece of the rim. Draw two chords and construct perpendicular bisectors.
Step 2 The center is the intersection of the perpendicular bisectors. Use the center to find the radius.
The radius is 4 in.
Algebra What is the value of each variable to the nearest tenth?
Find two sides of a right triangle. The third side is either the answer or leads to an answer.