Question

46. Which of the following criteria is not suitable for ∆ABC to be similar to ∆QRP ? ​

Answer 1

Answer:

D not similar because the sides are not similiar with each other (∆ABC not similar to ∆PQR)

Answer 2

.For a triangle to be similar to another triangle

following criteria should match.

. 1) AA: Two pairs of corresponding angles are equal.

. 2) SSS: Three pairs of corresponding sides are proportional.

. 3) SAS: Two pairs of corresponding sides are proportional and the corresponding angles between them are equal.

. So in the above question ∆ABC may not be similar to ∆QRP if two pairs of corresponding angles are not equal.

i.e, A = ∠Q and ∠C = ∠P then ΔABC is not similar to ΔXYZ.

or

. three sides of corresponding sides are not proportional i.e,

AB/QR is not qual to BC/RP and AC/QP

and ∠B not equal to ∠R and ∠C not equal to ∠P

then they are not similar triangles.

or

. if two pairs of corresponding sides are not proportional and the corresponding angles between them are not equal.

i.e., AB/QR is not equal to BC/RP and AC/QP then ΔABC is not similar to ΔXYZ.

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