Properties of an Isosceles Triangle

Q. Perpendicular drawn to the unequal side of an isosceles triangle divides the side intoparts and also divide the whole triangle into twotriangles

Q. Are the angles opposite to the equal sides of an isosceles triangle are equal to each other?

1. Yes
2. No

Q. An isosceles triangle have unequal side to be $16$ cm and the altitude drawn to this side has the length as $6$ cm then what is the perimeter of the given triangle?

1. $20$ cm
2. $36$ cm
3. $26$ cm
4. $30$ cm

Q. In $△ABC,$ sides $ABandAC$ are of same length, and $AD$ is the angle bisector of $\angle A$. Select the appropriate option.

1. $△ADB\cong △ACD$
2. $△ABD\cong △ADC$
3. $△ADB\cong △ADC$
4. All of the above.

Q. Find the interior angles of a right-angled isosceles triangle.

1. ${30}^o$
2. ${45}^o$
3. ${60}^o$
4. ${90}^o$

Q. For the given isosceles triangle find the angle $\angle B.$

1. ${60}^o$
2. ${59}^o$
3. ${58}^o$
4. ${57}^o$