Arihant Expert Team (AET) Solutions for Exercise 1: CHAPTER EXERCISE

In the given figure, AB and CD are two parallel lines. A line XY meets the lines AB and CD at E and F, respectively. If $\angle XEA = 110°$, then$\angle EFD$ is equal to:

Base of a right angled triangle is;

The length of the sides $BC$ and $AC$ of a right angled $△ABC$ are $3 cm$ and $4 cm$ respectively, the length of hypotenuse will be:

Let AD,BE and CF are the medians and G is the centroid of $△ABC$.If $BE=CF$, then $△ABC$ is;

In the given figure,if $\angle PQR={90}^o$ , O is the centroid of $△PQR, PQ=5 cm$ and $QR=12 cm$, then OQ is equal to;

In $△ABC$ all sides are of same length, then each angle will be;

In a $△ABC, AB=11 cm, BC=60 cm$and $AC=61 cm$. What type of $△ABC$?

In the given figure, $AD$ is the bisector of $\angle BAC , AB=6 cm, AC=5 cm$and. Find $DC$;