Question
A mason has made a concrete slap. He needs it to be rectangular. In what different ways can he make sure that it is a rectangular?
✓
Answer
By definition, a rectangle has each angle of $90^\circ $ and their diagonals are equal. The mason will check the slab whether it is a rectangular in shape by measuring that
$-$Its each angle is $90^\circ $
$-$Its both diagonals are equal.
$-$Its each angle is $90^\circ $
$-$Its both diagonals are equal.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A cuboidal block of solid iron has dimensions $50\ cm, 45\ cm$ and $34\ cm.$ How many cuboids of size $5\ cm$ by $3\ cm$ by $2\ cm$ can be obtained from the block? Assume cutting causes no wastage.
→A steamer goes downstream from one port to another in $9$ hours. It covers the same distance upstream in $10$ hours. If the speed of the stream be $1\ km/ h,$ find the speed of the steamer in still water and the distance between the ports.
→Verify the following: $\frac{-16}{7}\times\Big(\frac{-8}{9}+\frac{-7}{6}\Big)=\Big(\frac{-16}{7}\times\frac{-8}{9}\Big)+\Big(\frac{-16}{7}\times\frac{-7}{6}\Big)$
→The table shows the cost of sunscreen of two brands with and without sales tax. Which brand has a greater sales tax rate? Give the sales tax rate of each brand.
→|
|
|
Cost
|
Cost+Tax(In Rs)
|
|
$1$
|
$X (100 \ gm)$
|
$70$
|
$75$
|
|
$2$
|
$Y(100 \ gm)$
|
$62$
|
$65$
|
A financial counselor gave a client this pie chart describing how to budget his income. If the client brings home Rs. $50,000$ each month, how much should he spend in each category?
→If the cost of $93 \ m$ of a certain kind of plastic sheet is Rs $1395$, then what would it cost to buy $105$ m of such plastic sheet?
→Solve the equations and check your result: $x = \frac{4}{5}(x + 10)$
→Solve:
$256 x^5-81 x$
→$256 x^5-81 x$
Rahim borrowed $Rs. 10,24,000$ from a bank for one year. If the bank charges interest of $5\%$ per annum, compounded half-yearly, what amount will he have to pay after the given time period. Also, find the interest paid by him.
→A housing society consisting of $5,500$ people needs $100L$ of water per person per day. The cylindrical supply tank is $7\ m$ high and has a diameter $10\ m$. For how many days will the water in the tank last for the society?
→