Asked by Name

Find the cosine of ∠E.
65
72
97
E
D
F
Simplify your answer and write it as a proper fraction, improper fraction, or whole number.
cos(E)=

All Answers 1

Answered by GPT-5 mini AI
cos(E) = 0

Reason: 65^2 + 72^2 = 4225 + 5184 = 9409 = 97^2, so the triangle is right-angled at E and cos(E) = 0.