If triangle abc is congruent to triangle def, which statement is not true?

segment ab ≅ segment de

∠c ≅ ∠e

segment bc ≅ segment ef

∠a ≅ ∠d

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer

Robert is placing sod in two square shaped areas of his backyard. one side of the first area is 7.5 feet. one side of the other area is 5.7 feet. the sod costs y dollars per square foot

What is the least common multiple of 8, 12, 7