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26.06.2019 •
Mathematics
Aflat screen tv is measured by its diagonal length. you have enough space to fit a tv that is 25 inches wide and 20inches tall. the diagonal of the tv measures 32 inches and it is 19.2 inches tall. how wide is the tv? can you fit a 32”tv in your space? explain
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Ответ:
The tv is too big
Step-by-step explanation:
Using the Pythagorean theorem
a^2 +b^2 =c^2
where a and b are the legs of the triangle and c is the hypotenuse
We know the diagonal or hypotenuse is 32 and one of the legs is 19.2 so we can find the other leg
a^2 + 19.2 ^2 = 32 ^2
a^2 + 368.64 =1024
Subtract 368.64 from each side
a^2 + 368.64-368.64 - 368.64 =1024-368.64
a^2 =655.36
Take the square root of each side
sqrt(a^2) = sqrt(655.36)
a =25.6
The dimensions of the space are 20 by 25
Our TV is 19.2 by 25.6 The TV is too long by (25.6-25=.6) by .6 inches
Ответ:
4+1=5 simple just add.
Step-by-step explanation: