MATHS TRUE / FALSE

If two sides and one angle of one triangle are equal to two sides and one angle of another triangle, then the triangle is congruent. (False)
Correct : If the angles are included, they can be congruent.

If three angles of two triangles are equal, then triangles are congruent. (False)
Correct : They can be similar to each other.

If two legs of one right triangle are equal to two legs of another right angle triangle, then the two triangles are congruent by SAS rule. (True)

Two equilateral triangles having equal perimeters are congruent. (True)

All equilateral triangles are congruent. (False)
Correct : As they have different sides in length.

A two rupee coin is congruent to a five rupee coin. (False)
Correct : As they have different size.

Two figures are congruent if they have the same shape. (False)
Correct : As the same shapes have different measures.

All right angles are congruent. (True)

All acute angles are congruent. (False)
Correct : As acute angles have different measures.

Two rectangles having equal areas are congruent. (False)
Correct : As their side can be different.

Two squares having equal areas are congruent. (True)

Two triangles having equal areas are congruent. (False)
Correct : As they may have different sides and angles.

Two congruent triangles have equal areas and equal perimeters. (True)

Circles having equal radii are congruent. (True)

All circles are congruent. (False)
Correct : As if all circles have equal radii otherwise not.