Introduction to Similar Triangles

Q. Find the value of $x,$ if $△ABC\sim △PQR.$

1. $2$ unit
2. $4$ unit
3. $6$ unit
4. $8$ unit

Q. Two figures are said to be congruent, if they have exactly the same ___ .

1. Area
2. Perimeter
3. Size & shape
4. Length

Q. Two triangles are said to be , if they have equal corresponding angles.

Q. The triangle $△ABC$ is similar to the triangle $△PQR$ is mathematically represented as:

1. $△ABC=△PQR$
2. $△ABC\sim △PQR$
3. $△ABC\cong △PQR$
4. None of the above.

Q. Two similar triangles have the same -

1. shape
2. size
3. (a) and (b) above.
4. None of the above

Q. Are these two given triangles similar?


Answer as yes or no.

Q. There are two triangles given $△ABC$ and $△DEF$. Select the correct option.

1. $\angle A=\angle E$
2. $\angle D=\angle C$
3. $\angle C=\angle F$
4. None of the above

Q. If $△ABC\sim △PQR$ and $\angle B=\angle R={60}^{\circ }$, then find $\angle$ RPQ.
$\left[2\right]$