Intro to Triangle Properties

How many elements are there in a triangle?

• 3

• 6

• 4

• None of these

If two sides of a triangle are not equal, the triangle is called

• Scalene

• Equilateral

• Isosceles

• Right-angled

If one angle of a triangle measures 90 degrees, the triangle is called

• Acute-angled

• Right-angled

• Obtuse-angled

• none of these

How many medians can a triangle have?

• 4

• 2

• 1

• 3

The total measure of three angles of a triangle is

• 180

• 90

• 360

• none of these

Which of the following statement is true?

• A triangle can have two right angles.

• A triangle can have two obtuse angles.

• A triangle can have two acute angles.

• A triangle can have all three angles less than 60 degrees.

Find angle x in the following figure

• 40°

• 50°

• 45°

• 60°

Find angle x in the following figure

• 40°

• 45°

• 35°

• 50°

Find angle x in the following figure

• 50°

• 35°

• 65°

• 45°

Which of the following statement is false?

• The sum of the lengths of any two sides of a triangle is less than the third side.

• In a right-angled triangle, the square on the hypotenuse=sum of the squares on the legs.

• If the pythagorean property holds, the triangle must be right angled.

• The diagonal of a rectangle produce 'by itself the same area as produced by its length and breadth