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Worksheets

Triangles

Total questions: 5

Worksheet time: 3mins

Name
Class
Date
1.

What is the sum of the interior angles of a triangle?

a)

90

b)

360

c)

180

d)

270

2.

What is the name of a triangle with all sides of different lengths?

a)

Equilateral triangle

b)

Isosceles triangle

c)

Scalene triangle

d)

Right triangle

3.

If one angle of a triangle is 90 degrees, what is it called?

a)

Right-angled triangle

b)

Equilateral triangle

c)

Acute-angled triangle

d)

Isosceles triangle

4.

What is the formula to calculate the area of a triangle?

a)

base + height

b)

(base * height) / 2

c)

base - height

d)

base * height

5.

In a right-angled triangle, what is the side opposite to the right angle called?

a)

Base

b)

Adjacent

c)

Opposite

d)

Hypotenuse