Triangle Inequalities Answers
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In triangle XYZ, m∠Z > m∠X + m∠Y. Which must be true about △XYZ?
A
m∠X + m∠Z < 90°B
m∠Y > 90°C
∠X and∠Y are complementaryD
m∠X + m∠Y < 90°2
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Triangle ABC is an obtuse triangle with the obtuse angle at vertex B. Angle A must be
A
less than 90°.B
greater than 90°.C
congruent to angle B.D
congruent to angle C.3
Which statements about the diagram are true? Select three options.
A
D E + E F greater-than D F
B
is an isosceles triangle.
C
5 less-than D F less-than 13
D
D E + D F less-than E F
E
is a scalene triangle.4
The isosceles triangle has a base that measures 14 units.
A
equal to 7.B
between 7 and 14.C
greater than 7.D
between 14 and 28.5
3 connecting lines are shown. Line D F is horizontal. Line D E is about half the length of line D F. Line F E is about one-third of the length of line D F.
A
EF + FD > DEB
ED + EF < DFC
ED + EF > DFD
EF + FD < DEDid you find these answers helpful?
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