Question

Show that a diagonal of a parallelogram divides it into two congruent triangles.
(Hint: Use SSS congruence criterion)

it should not copyed from google

only sss congruence criterion method should be used​

Answer 1

Answer:

let llgm abcd ac diagonal ,

then we have triangle abc and bcd

ab=cd(opp. side of llgm)

bc =ad(""". """)

angle abc=angle bcd(abllbc)

triangle abc