Triangles Grade 6

which of the two is a triangle?

• first image

• second image

If all the sides are equal, then it is a

• Obtuse angled triangle

• equilateral triangle

• isosceles triangle

• scalene triangle

_______ triangle has all sides which are not equal.

A triangle with all three acute angles is called an ______ triangle.

• acute angled

• obtuse angled

• equilateral triangle

• right angled

closed figure made by joining three non-collinear points by line segments is a:

• circle

• quadrilateral

• angle

• triangle

the parts of the triangle are

• vertices, sides and angles

• only angles

• triangle

draw and name a triangle

a triangle has two angles

• yes

• no

• both

A triangle with one right angle is a ______ angled triangle

The sum of the measures of the three angles of a triangle is

• 90 degrees

• 270 degrees

• 180 degrees

• 360 degrees