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Buzz9
@Buzz9
August 2022
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Площадь треугольника KPC равна 20 см2, угол ∡K=30°, сторона KC=10 см. Определи длину стороны KP.
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maximarestov
S = 1/2 *sinA* b* c
S = 20
sin A = sin 30 = 1/2
b = 10
c = ?
20 = 1/4*10c
20 = 2.5C
c = 8
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Answers & Comments
S = 20
sin A = sin 30 = 1/2
b = 10
c = ?
20 = 1/4*10c
20 = 2.5C
c = 8