Dave bought some office supplies with $32.40. A pencil box for $3.29
A calculator for $8.25
A stapler for $5.50

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

Ineed me i stuck and i don’t want to get it wrong

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test