famouzgal
07.12.2019 •
Mathematics
Aschool wants to build a rectangular playground that will have a diagonal length of 75 yards. how wide can the playground be if the length has to be 30 yards?
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Ответ:
c^2 = a^2 + b^2
a = sqrt( c^2 - b^2 )
a = 68.74 yards
Ответ:
We should use Pythagorean's theorem. a² + b² =c²
Step-by-step explanation:
a² + b² = c²
75² = 30² + b²
5625 = 900 + b²
5625 - 900 = b²
4725 = b²
=
68.73863542 = b
b = 68.74
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