Question

find the temperature which is same is same in both celcius and ferhreheit scal of temperature​

Answer 1

Answer:

-40°C or -40°F

Explanation:

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Answer 2

$\huge{\underline{\underline{\bf{\pink{✩ Required \: Answer}}}}}$

${\bf{-40°\:is \:the \:temperature\: where, \: fahrenheit\: and \:celcius \:become\: equal}}$

$\huge{\underline{\underline{\bf{\blue{✩Explanation \: and\:Prove}}}}}$

${\underline{\sf{[✩Formula\: Used ]}}}$

$F = ( \frac{9}{5} )C + 32$

We have to prove that, F = C

So,

We can take C as F =>

$F = \: \frac{9}{5} F + 32 \\ \\ = > F - \frac{9}{5} F = 32 \\ \\ = > \frac{5 F - 9 F}{5} = 32 \\ \\ = > 5 F - 9 F = 32 \times 5 \\ = > - 4 F = 160 \\ = > F = \frac{160}{ - 4} \\ = > F = - 40$

Hence, we proved that - 40 equal in both Fahrenheit and celcius