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Worksheets

Triangles

Total questions: 15

Worksheet time: 1hrs 1mins

Name
Class
Date
1.

Choose the appropriate measure for the third side of the triangle.

sides: a = 26, b = 17

a)

c = 8

b)

c = 9

c)

c = 10

2.

Choose the appropriate measure for the third side of the triangle.

sides: a = 15, b = 3

a)

c = 9

b)

c = 12

c)

c = 14

3.

Choose the appropriate measure for the third side of the triangle.

sides: a = 18, b = 33

a)

c = 16

b)

c = 11

c)

c = 9

4.

Given the measure of the two interior angles of a triangle, identify the measure of its third angle.


45°, 45°45\degree,\ 45\degree

a)

45°45\degree

b)

90°90\degree

c)

180°180\degree

d)

270°270\degree

5.

Given the measure of the two interior angles of a triangle, identify the measure of its third angle.


24°, 15°24\degree,\ 15\degree

a)

39°39\degree

b)

141°141\degree

c)

321°321\degree

d)

90°90\degree

6.

Given the measure of the two interior angles of a triangle, identify the measure of its third angle.


60°, 60°60\degree,\ 60\degree

a)

60°60\degree

b)

120°120\degree

c)

180°180\degree

d)

240°240\degree

7.

Given the measure of the two interior angles of a triangle, identify the measure of its third angle.


30°, 90°30\degree,\ 90\degree

a)

60°60\degree

b)

120°120\degree

c)

90°90\degree

d)

180°180\degree

8.

Given the measure of the two interior angles of a triangle, identify the measure of its third angle.


25°, 50°25\degree,\ 50\degree

a)

105°105\degree

b)

75°75\degree

c)

90°90\degree

d)

180°180\degree

9.

Classify the triangle given the measure of its sides.

a = 5, b = 5, c = 7

a)

Equilateral triangle

b)

Isosceles triangle

c)

Scalene triangle

10.

Classify the triangle given the measure of its sides.

a = 10, b = 10, c = 10

a)

Equilateral triangle

b)

Isosceles triangle

c)

Scalene triangle

11.

Classify the triangle given the measure of its sides.

a = 2, b = 13, c = 12

a)

Equilateral triangle

b)

Isosceles triangle

c)

Scalene triangle

12.

Classify the triangle given the measure of its angles.

A =63° , B = 71° , C=46°\angle A\ =63\degree\ ,\ \angle B\ =\ 71\degree\ ,\ \angle C=46\degree

a)

Acute triangle

b)

Right triangle

c)

Obtuse triangle

13.

Classify the triangle given the measure of its angles.

A =70° , B = 105° , C=5°\angle A\ =70\degree\ ,\ \angle B\ =\ 105\degree\ ,\ \angle C=5\degree

a)

Acute triangle

b)

Right triangle

c)

Obtuse triangle

14.

Classify the triangle given the measure of its angles.

A =36° , B = 90° , C=54°\angle A\ =36\degree\ ,\ \angle B\ =\ 90\degree\ ,\ \angle C=54\degree

a)

Acute triangle

b)

Right triangle

c)

Obtuse triangle

15.

Classify the triangle given the measure of its angles.

A =60° , B = 60° , C=60°\angle A\ =60\degree\ ,\ \angle B\ =\ 60\degree\ ,\ \angle C=60\degree

a)

Acute triangle

b)

Right triangle

c)

Obtuse triangle