Free Printable Angles of a Triangle Test

Worksheets

Angles of a Triangle Test

Total questions: 40

Worksheet time: 1hrs 20mins

Name

Class

Date

What do the interior angles in a triangle have a sum of?

(a)

Find the measure of the indicated angle.

(a)

Find the measure of the missing angle.

(a)

Find the measure of each angle indicated.

(a)

A student is trying to construct triangles using four different sets of angles. The angles in each set are given below. Which set will form a triangle?

45°, 65°, 70°

150°, 110°, 100°

50°, 50°, 50°

90°, 90°, 90°

Find the measure of the indicated angle.

(a)

Will the following three angles for a triangle?

30°, 60°, 90°

yes

Solve for the missing angle measure.

(a)

What do the angles in an equilateral triangle measure?

30, 60, 90

45, 45, 90

60, 60, 60

35, 55, 90

10.

Find the supplementary angle for 104 degrees...

(a)

11.

Find the supplementary angle for 69 degrees...

(a)

12.

Find the supplementary angle for 95 degrees...

(a)

13.

What is the value of "a"?

(a)

14.

What is the value of "a"?

(a)

15.

If a triangle has one angle greater than 90° and no equal sides, what type of triangle is it?

Acute Isosceles

Acute Scalene

Obtuse Scalene

Obtuse Isosceles

16.

If a triangle has all angles less than 90° and two equal sides, what type of triangle is it?

Acute Isosceles

Acute Scalene

Obtuse Scalene

Obtuse Isosceles

17.

If a triangle has one angle exactly 90° and two equal sides, what type of triangle is it?

Right Isosceles

Acute Scalene

Obtuse Scalene

Obtuse Isosceles

18.

Complementary angles are angles that together equal

(a)

19.

Find the missing angle.

(a)

20.

Find the missing angle.

(a)

21.

What are supplementary angles?

Angles that add up to 180°

Angles that add up to 90°

Angles that are equal to each other

Angles that are opposite of each other when lines intersect

22.

What is the measure of angle b?

write just the figure.

(a)

23.

Which type of angle is this?

Acute

Obtuse

Right

24.

Which one is a right angle?

25.

Which type of angle is pictured?

Acute

Right

Obtuse

Straight

26.

Find the perimeter of this triangle.

12 in

22 in

18 in

24 in

27.

Find the area of this triangle.

12 in²

22 in²

18 in²

24 in²

28.

Find the perimeter of this triangle.

20 cm

35 cm

40 cm

12.5 cm

29.

Find the area of this triangle.

20 cm²

35 cm²

40 cm²

12.5 cm²

30.

Find the perimeter of this triangle.

240 ft

56 ft

66 ft

120 ft

31.

Find the area of this triangle.

240 ft²

56 ft²

66 ft²

120 ft²

32.

Find the area of a triangle with a base of 7 mm and a height of 10 mm?

70 mm squared

35 mm squared

17 mm squared

8.5 mm squared

33.

To find the area of a triangle, you need to know the _________ and ________.

sides and sides

base and height

bottom and top

length and width

34.

What does perimeter mean?

the amount of space inside a shape

the distance around the shape

the amount of space inside a shape divided by two

half the distance around a shape

35.

What does area mean?

the distance around a shape

half the distance around a shape

the amount of space outside a shape

the amount of space inside a shape

36.

Which of the following is the AREA formula for a triangle?

$Area=b\cdot h$

$Area=\frac{b\cdot h}{2}$

$Area=\pi r^2$

$Area=l^4$

37.

What is the formula for area of a triangle?

A=1/2 (B x H)

A=1/2 (L x W)

A= B ÷ 2

A= (L x W)÷2

38.

What is the perimeter of the shape?

4 in.

10 in.

12 in.

7.5 in.

39.

Find the perimeter of the triangle.

16.5 cm

13.4 cm sq

13.4 cm

15.8 cm

40.

To calculate the amount of carpeting needed for your bedroom, which of the following should you find:

Area

Perimeter

Surface Area

Volume

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Angles of a Triangle Test

Total questions: 40

Worksheet time: 1hrs 20mins

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