A sector of a circle of diameter 7cm and center angle 140 is bent to form a cone. Find the base radius of the cone.

What is the reflection image of (5,-3) across the line y = -x?

Use δjkl and δmpn to determine whether don's claim is true or false. which of the following should don use to prove the triangles are similar? sss sas aas aa

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab