M L Aggarwal Solutions for Chapter: Triangles, Exercise 7: Multiple Choice Questions

Given $△ABC~△PQR$, area of $△ABC=54 c{m}^2$ and area of $△PQR=24 c{m}^2$. If $AD$ and $PM$ are medians of $△\text{'}s$ $ABC$ and $PQR$ respectively, and length of $PM$ is $10 cm$, then length of $AD$ is

In a $△ABC$, if $AB=6\sqrt{3} cm, BC=6 cm$ and $AC=12 cm$, then $\angle B$ is

If the sides of a rectangular plot are $15 m$ and $8 m,$then the length of its diagonal is

The lengths of the diagonals of a rhombus are $16 cm$ and $12 cm$. The length of the side of the rhombus is

If a side of a rhombus is $10 cm$ and one of the diagonals is $16 cm$, then the length of the other diagonal is

If a ladder $10 m$ long reaches a window $8 m$ above the ground, then the distance of the foot of the ladder from the base of the wall is

A girl walks $200 \mathrm{m}$ towards East and then she walks $150 \mathrm{m}$ towards North. The distance of the girl from the starting point is 

A ladder reaches a window $12 m$ above the ground on one side of the street. Keeping its foot at the same point, the ladder is turned to the other side of the street to reach a window $9 m$ high. If the length of the ladder is $15 m$, then the width of the street is