Practice30Create account

Two triangles ABC and DEF satisfy AB/DE = BC/EF = CA/FD = 1.
What can you conclude?

Class 10Similarity and CongruenceGeometry — Similarity
  • AThey are similar but may differ in size
  • BThey are congruent
  • CThey are only equal in area
  • DNothing can be concluded

Step-by-Step Solution

All ratios equal to 1 means all corresponding sides are equal, so by SSS the triangles are congruent.
Answer: B) They are congruent

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Similarity and Congruence practice questions

More Class 10 Similarity and Congruence practice

Two similar triangles have perimeters 28 cm and 42 cm. The area of the smaller triangle…Arjun claims: 'If two triangles are similar with scale factor 3, the bigger one has 3…Triangle ABC ~ triangle DEF with a scale factor of 2 (DEF is the larger). The height of…A mosaic design is made of two similar triangles. The larger triangle has each side 1.5…Two figures that have the same shape and the same size are said to be: