Rashmi Bhartiya Solutions for Chapter: Area and Perimeter, Exercise 8: Worksheet - 63

In the figure, diagonal $BD$ is $40 \mathrm{m}$ long and perpendiculars to it from the opposite vertices are $8 \mathrm{m}$ and $10 \mathrm{m}$ respectively. Find area of quad $ABCD$.

Find area of $△ABC$ in the figure below. 

A rectangle is $65.9 \mathrm{m}$ by $48 \mathrm{m}$. By how many square metres does its area fall short of a hectare?
 

The diameter of a car wheel is $49 \mathrm{cm}$. How many revolutions will it take to cover a distance of $3080 \mathrm{cm}$?
 

A path $5 \mathrm{m}$ wide runs outside a rectangular garden which is $110 \mathrm{m}$ long and $90 \mathrm{m}$ broad. Find the area of the path.
 

The minute hand of a circular clock is $15 \mathrm{cm}$ long. How far does the tip of the minute hand move in $1 \mathrm{hr}$? (Take $\mathrm{\pi }=3.14$)