ISEE Upper Level Quantitative : How to find if two triangles are similar

Example Questions

Example Question #23 : Isee Upper Level (Grades 9 12) Quantitative Reasoning

Which is the greater quantity?

(a)

(b)

(b) is greater

It is impossible to tell from the information given

(a) is greater

(a) and (b) are equal

(a) and (b) are equal

Explanation:

, so by definition, the sides are in proportion.

(a)

Substitute and solve for :

(b)

Substitute and solve for :

The two are equal.

Example Question #24 : Isee Upper Level (Grades 9 12) Quantitative Reasoning

Which is the greater quantity?

(a)

(b)

It is impossible to tell from the information given.

(b) is greater.

(a) and (b) are equal.

(a) is greater.

(a) is greater.

Explanation:

, so by definition, the sides are in proportion. Therefore,

.

Substitute:

, so (a) is greater.