3. Which of the following cannot be the measures of the sides of a triangle?
A. 6, 8, 12
B. 5, 6, 11
C. 10, 12, 3
D. 18, 12, 15
4. Which is always opposite the largest angle of a right triangle?
A. shorter leg
B. longer leg
C. hypotenuse
D. acute angle
5. In Fig. 1, what is the largest angle in ∆DAM?
A. ∠A
B. ∠M
C. ∠D
D. cannot be determined