Express your answer in simplified form.
± sqrt{-37}=±


=±plus minus, square root of, minus, 37, end square root, equals, plus minus

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?

1. what is the measure of ∠abc? what is the measure of ∠abd?

How do i do this? i don’t understand