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vlad335martiniuk
@vlad335martiniuk
July 2023
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Даю 42 балла, помогите
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vladallgames
Відповідь:
3,2 дм
Розв'язання:
SA=V(P(p-a)(p-b)(p-c));
p=(a+b+c)/2=(4+13+15)/2=
=32/2=16дм.
SA=V(16 (16-4)(16-13)(16-15))=
=V (16*12*3*1)=4*2*3=24 дм?
Меньша висота проведена до
більшої сторони.
SA=½*a*h; a=15дм.
h=2*SA/a=2*24/15=48/15=3,2дм
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Answers & Comments
3,2 дм
Розв'язання:
SA=V(P(p-a)(p-b)(p-c));
p=(a+b+c)/2=(4+13+15)/2=
=32/2=16дм.
SA=V(16 (16-4)(16-13)(16-15))=
=V (16*12*3*1)=4*2*3=24 дм?
Меньша висота проведена до
більшої сторони.
SA=½*a*h; a=15дм.
h=2*SA/a=2*24/15=48/15=3,2дм