Question

ex 12 , va rog
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Answer 1

h = √3 2

lp.;12 = h C.: 12h2 x 1.(3)

h2 = 12√/3 2

h2=h÷2 x √3

h2 = hx√3

÷ 2

h2=hx√3=h√/0.75

h2 √0.75

h

Amplificam prima fractie cu radical din 0.75

h2√/0.75 0.75

= h

Amplificam prima fractie cu 1.(3)

1.(3)h2√/0.75=h