In triangle CDE the measure of angle E equals 90° the measure of angle C equals 81° De
equals 51 feet find the length of cd to the nearest 10th of a foot

1. sometimes

2. never true

3. sometimes

step-by-step explanation:

these are pretty self explanatory if you know what supp right and com angles are

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step-by-step explanation:

nndncnd cnn

snddnd

m∠5 + m∠3 = m∠1   is true.

m∠5 + m∠6 = 180 is true

m∠2 +m∠3 = m∠6   is true

m∠2 +m∠3 +m∠5 = 180   is true

i believe b is the answer