Inequality in One Triangle

Which of the following combination of sides will NOT form a triangle?

• 3, 3, 6

• 3, 7, 11

• 4, 5, 12

• 7, 4, 6

Which angle is the largest?

• ∠A

• ∠B

• ∠C

• All the angles are equal

Which side is the longest?

• GJ

• JH

• GH

• all the sides must be equal

List the sides from shortest to longest.

• ON, NM, MO

• MN, OM, MN

• OM, ON, MN

• MN, NO, OM

Which statement must be true?

Note: Check all that applies.

• m∠2 +m∠3 = m∠1

• m∠2 = m∠4

• m∠2 > m∠3

• m∠1 > m∠4

Which triangle is equiangular?

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• 
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How will the figure look like if the given sides are 2, 3 and 5?

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• 

Which segment is the shortest?

• QR

• RS

• QS

• both QR and QS

Which must be true from the figure?

Note: Check all that applies.

• m∠1 > m∠3

• m∠1 = m∠3

• m∠3 = m∠4

• m∠1 >m∠2

If two sides are 10 and 15, What would be the possible measurements of the third side?

• 5 ≤ x ≤ 25

• 5 < x < 25

• 4 < x <24

• 6 < x < 26