In δabc, ∠a = 120° and ∠b = 40°. what is the measure of ∠ c? which side is the longest?
a) 20°; bc
b) 20°; ac
c) 30°; ac
d) 30°; ab
e) 30°; bc

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?

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

Describe what moves you could use to create the transformation of the original image shown at right