5. Understanding Elementary Shapes

Click the correct answer (True & False).

An obtuse right-angled triangle does not exist.

True

False

Click the correct answer.

Which is true about the adjacent sides of a rectangle?

They are parallel

They are perpendicular

They are horizontal

They are concurrent

Click each box on the left and also click on the matching box of the right.

Match the triangles with their properties.

Equilateral

Isosceles

Scalene

Obtuse-angled

Right-angled

3 sides of equal length

2 sides of equal length

All sides different

1 obtuse angle

1 right angle

Click the correct answer.
A triangle in which all the sides are equal is known as an triangle.

isosceles

equilateral

acute-angled

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