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Learning Task: Applying Theorems on Triangle Inequalities

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

Which is always true about the measure of an exterior angle of a triangle?

a)

It is less than the measure of its adjacent interior angle.

b)

It is less than the measure of either remote interior angle.

c)

It is greater than the measure of its adjacent interior angle.

d)

It is greater than the measure of either remote interior angle.

2.

Which of the following numbers of the same unit could represent the side

lengths of a triangle?

a)

1, 3, 5

b)

2, 4, 5

c)

3, 6, 10

d)

4, 5, 11

3.

Which is the largest angle?

a)

∠D

b)

∠O

c)

∠P

d)

Cannot be determined

4.

Which is the smallest angle?

a)

∠D

b)

∠O

c)

∠P

d)

Cannot be determined.

5.

Which of the following could be a possible measure of the third side of the

triangle if the two sides measure 12 meters and 25 meters?

a)

11 meters

b)

13 meters

c)

28 meters

d)

37 meters

6.

What theorem is applicable in determining the smallest and largest angles of

∆POD?

a)

Converse of Hinge Theorem or SSS Triangle Inequality Theorem

b)

Hinge Theorem or SAS Triangle Inequality Theorem

c)

Triangle Inequality Theorem 2 (Aa→Ss)

d)

Triangle Inequality Theorem 1 (Ss→Aa)

7.

Which side of ∆SAW is the shortest?

a)

AS‾\overline{AS}  

b)

SW‾\overline{SW}  

c)

WA‾\overline{WA}  

d)

Cannot be determined

8.

Which side of ∆SAW is the longest?

a)

AS‾\overline{AS}  

b)

SW‾\overline{SW}  

c)

WA‾\overline{WA}  

d)

Cannot be determined.

9.

What theorem is applicable in determining the shortest and longest sides of

∆SAW?

a)

Triangle Inequality Theorem 1 (Ss→Aa)

b)

Triangle Inequality Theorem 2 (Aa→Ss)

c)

Hinge Theorem or SAS Triangle Inequality Theorem

d)

Converse of Hinge Theorem or SSS Triangle Inequality Theorem

10.

Given below is ∆ART. List the sides from the longest to the shortest.

a)

AT̅̅̅̅, AR̅̅̅̅, RT̅̅̅̅

b)

AR̅̅̅̅, TR̅̅̅̅, TA̅̅̅̅

c)

RT̅̅̅̅, RA̅̅̅̅, TA̅̅̅̅

d)

TA̅̅̅̅, TR̅̅̅̅, AR̅̅̅̅

11.

What is the measure of ∠A ?

a)

25°

b)

50°

c)

105°

d)

155°

12.

What is the measure of ∠GRD ?

a)

25°

b)

75°

c)

105°

d)

155°

13.

Which is the longest side of ∆RAD?

A.B. C. D.

a)

AR̅̅̅̅

b)

DA̅̅̅̅

c)

RD̅̅̅̅

d)

Cannot be determined.

14.

m∠1 ___ m∠2

a)

<

b)

>

c)

=

15.

LO ___ VO

a)

<

b)

>

c)

=