A letter from the word SQUARE is chosen, then a coin is tossed.

Select the lengths in centimeters that would form a right triangle

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?