Which angles are corresponding angles?

< 8 and < 16
< 4 and < 8
< 7 and < 8

If you had $1,900,000, how many days would it take you to spend all if you spent $1 a second. (there are 86,400 seconds in a day)

The area of a circle is equal to 1 dm². find the radius of the circle.

Proving the parallelogram diagonal theoremgiven abcd is a parralelogam, diagnals ac and bd intersect at eprove ae is conruent to ce and be is congruent to de