How to find if triangles are similar

Practice Questions

ISEE Upper Level (grades 9-12) Quantitative Reasoning › How to find if triangles are similar

Questions

$\Delta ABC$ and $\Delta DEF$ are right triangles, with right angles $\angle B , \angle E$ , respectively. $m \angle A = m\angle D = 45^{\circ }$ and .

Which is the greater quantity?

(a)

(b)

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Figure NOT drawn to scale.

In the above figure, $\angle ABC$ is a right angle.

What is the ratio of the area of $\bigtriangleup AXB$ to that of $\bigtriangleup BXC$ ?

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